Mtb rotor size guide. 40 THE DOWNHILL RACER'S EDGE.

Mtb rotor size guide For Jonny's size, I think he's a perfect candidate for 220F/R. SM-MA: Shimano Mount Adaptor, Advanced (normal) Level F180P/P: Front, 180mm, Post to Post This is an advanced (standard) level +20mm adaptor. If you're riding more aggressive trails and enduro/downhill I'd go with Sram Codes or Shimano 4-piston brakes. Open comment sort options. 9mm. Install the rotor, fixing washer and the rotor tightening plate to the hub, and then install and tighten the bolts as shown in Fig. WEIGHT. 30T | 32T | 34T | 36T . There are a number of common IS (International Standard) sizes of rotor from 140mm through to 203mm. For some light DH and a lot of Trail riding should I go 203mm or 180? 203mm front and 180mm rear, 4 pots. Jump to Latest 2K views 2 replies 2 participants last post by tag1260 Jun 10, 2021. 1. The specific size you choose depends on your riding style, preferences, and the type of terrain you frequent. It may be helpful to consult with a knowledgeable bike shop or experienced rider to help guide your decision. You can Hope: If we consider that the braking force at the pads is the same, the generated braking torque with the larger rotor will be an increase dependent on the ratio between rotor sizes. 105g. For cross country or light trail riding, a 160mm rotor is usually sufficient. Also, you'd want the bigger rotor in the front since that's where most of your stopping power comes from. On the other hand, a small wheel with a bigger rotor results in a longer lever arm and thus in more braking torque. I want to buy a new rotor but i do noy really know the best size rotor for good/decent braking power. Available sizes may vary from country to country. The rotor sizes available on the market are: 140mm; 160mm; 180mm; and; 203 mm. 7K views 6 replies 4 participants last post by Zodiac Aug 22, 2008 Rotors come in 140mm, 160mm 180mm and 203mm sizes, and depending on the category of bike you’re riding, it will be set up for a different size disc — the front rotor will usually be a size up from the rear. New. Rotor Size Options: Common rotor sizes for MTB brakes include 160mm, 180mm, and 203mm. Cart $0. Stoptech, a reputable performance car brake company, performed tests on a Nissan 350z using different rotor sizes. Brake Adapters. As a rule of thumb, 160mm is common for cross country, 180mm for steeper terrain and all-mountain, and 200mm for downhill and free-ride. Otherwise, if the industry standardizes one size, then I hope its the 203mmbut I know that'll never happen. Save Share Reply Quote Like. by Ian Collins. Brake Rotor MTB Buying Guide Road Bike Buying Guide Gravel Bike Buying Guide Tube Size Buying Guide Bike Cleaning Tips Bike Size Guide View All Expert Advice. These rotor sizes have compatibility limitations on many forks and frames. 20mm post spacer kit. SixSixOne Stops Responding to Customers, Scrubs Website. BATTERY. The MTB Rotor Protector is the first and only product designed to protect the rotor when the wheel is unattached from the bike. BSA thread standard. Announcements; MTB Videos In general, most riders will stick with their stock rotor sizing and look at improved rotor and pad materials if they want a little more power or heat management. I ran a 160 G2 rotor on the back before and it was noisy and not any more powerful. Sizes Offered: 180, 203, and 223 mm x 2. I use Ashima Airotors with my guides because I had them already. Road. Commented Jun 19, 2020 at 22:43. Dhl-20s Bicycle Dual Double Disc E Bike Hub 32h 36h Downhill Mtb Mountain Bicycle Aluminum Alloy Front Hubs 20mm 110mm 2bearings - You're not alone if you've found yourself asking "what size mountain bike do I need?" Getting a properly fitting mountain bike is key to a good and safe time on the trails, but intepreting the geometry charts can feel like calculus. It's important to note that larger rotors can add weight and may also require a XC race rotor sizes? Jump to Latest 5. (Read 3D+ installation guide for BB30 system) 3. Wear out much quicker; Not as good in wet/muddy conditions; Semi-Organic Brake Pads. Athlete Testimonials: What Bike Size do the Pros MTBR Discussion Forums. Learn about rotor sizes, materials, top brands, and installation tips to The size of rotors for a mountain bike depends on the type of riding you'll be doing. Many road bikes come with a 140mm rear rotor and a Discover the ultimate guide to upgrading your MTB brake rotors for enhanced performance and safety. Suspension Tuning and Setup. This explains why brake rotors have grown with the wheel sizes (26”, 27. 5mm difference on either side, which is the distance that the caliper sits from the rotor. “[The] causes of brake noise/squeal can be very hard to diagnose. Does anyone know which adapters I would need to buy to ensure that the new calipers meet up with the 203 mm rotors. Thanks in advance shredders! (or **KLR 250** or **KLR 685**)! Post DIY guides to farkles and modifications, or photos of your in-progress or completed mod 160mm to 180mm rotors. 2 Road, Gravel, Cyclocross -- Consult the fork or frame manufacturer’s specifications before installing a 140 mm or 180 mm rotor. 140–203 (5. If you'd like to mess with 2. Save Share The disc that you are talking about is in fact called the rotor. 1. If you decide to replace rotor, check the max size that your fork support. From what you describe, upping the rotor is not going to work. 1 Ø Disc brake rotor min. The adapter I bought is the incorrect size. It makes a huge difference. Personally, I made the jump to 220mm rotors and you couldn’t pay me to give them up. The Guide T represents the absolute base entry point to Sram 4 piston brakes. As such, they have the same basic design as other Guides, while giving up many of the small adjustments and high-end features found on other models. We will go over the parts 2020 Rockshox Fork Lineup Updates from Enduro MTB Mag in 2020. Do they need to be replaced? Mountain bike brakes make noise for a lot of different reasons, but it’s generally not because the rotors need to be replaced, Gibbs says. However! Manufacturers recommend using certain rotor sizes for their products. Don’t forget the caliper adapter for the chosen size. Join to get special offers, free giveaways, and once-in-a-lifetime Rotor size refers to the diameter of the braking surface on your bike’s rotor. 531 posts · Joined 2011 Add to quote; Only show this user #1 · Oct 31, 2011 (Edited Rotor sizes. g. As an owner of TRP Quadiems, I find the inclusion of the TRP Trail Evos an interesting comparison, as AFAIK, the Trail Evos are essentially a 2. 5" or 29" diameter tires that are from 2. Go to top. After this point, larger rotors will make max braking easier, and less modulated, but will not result in "greater stopping power," unless rotor overheating is a factor. MY24 Sight, Optic, Fluid VLT, Sight VLT, Range VLT The best way to determine your correct size is to head into your local authorized Liv dealer. 0 mm: 177 g w/o bolts; 223 x 2. Q-Ring bicycle accessories pdf manual download. Unless you mean the adapter to make the calliper work with different rotor sizes. 8-1. "Standard" has one 7. Installation of the rotor < 6 bolt type > Install the rotor and the rotor tightening plate to the hub, and then install and tighten the bolts as shown in Fig. Generally, XC bikes run a 140-160mm rotor and Trail/Enduro bikes run 160-180mm rotors although some EWS riders will run 200mm rotors up front, DH bikes will run 200mm rotors for maximum power. 0 Ø brake hose 5 SPecificationS Brake type 4-pis Ton (MT7, MT5 ) 2-pis 8, MT6, MT4, MT2 ) Brake lever Shimano Disc Brake Adaptors allow the use of different sized rotors to your frame or fork. Joined Aug 31, 2012 · 17,821 Posts #21 It didn't matter what bike you're mounting it on, fork or frame or even rotor size. I can confirm that Guide brakes will work with RT98 centerlock rotors in the 160mm size. It sounds like you're picky about brake feel (which is great by the way, no shade) and I think you're going to immediately notice the lack of power if you go down in rotor size. 0 mm: 239 g w/o bolts; Bolted to: Nicolai G1, w/ Hayes conditions of mountain biking. REVIEWS; Talk to our experts! 01254 959345. 5, geared FS & HT 29er's. No matter your riding style or terrain, the Radiator has got you covered. By really high end we're talking about $1,000 for a pair of brake rotors. The Radiator rotors are designed to fit a wide range of bikes, including MTB, E-MTB, Road, Gravel, and CX. A larger rotor, such as a 203mm size, provides increased braking power compared to a smaller rotor like a 180mm. Galfer Shark Rotors. 350h RIDING TIME. REVIEWS DEALS BIKESHOPS TRAILS. 3mm thick rotor compatible, top loading pad version of the Quadiem (same caliper piston sizes, same master cylinder Whyte current Specification sheetsSpecification for every bike in the current range LINK Whyte general instruction manualGeneral instruction manual provided with every new bike LINK Whyte MTB Full Suspension manualAdditional manual supplied with all full suspension bikes LINK Whyte MTB Hardtail manualAdditional manual supplied with all hardtail bikes LINK Whyte Shimano Brake Clamp Guide; Organic vs. One bag is labeled "Standard" and the other is "CPS". Complete Guide to Fox Fork Lineup by Off. I should have more clearly communicated that in the review as you can 'tune' the Mavens (to a degree) with different rotor sizes/pad material. 40 THE DOWNHILL RACER'S EDGE. Disc Rotor. edge to edge through the centre. SRAM’s HS1 disc brake rotors are available Lightweight riders who avoid long descents usually won’t have any problems with the standard brakes on most bikes. Check that the fork can support the rotor size. Borrowing heavily from the aesthetics of the Guide brake, the Code is an all-black affair with minimal graphics and understated black-on-black bling. Larger rotors deal more with better heat dissipation to lessen brake fade. Brake information: how rotor size affects heat and overall performance vs weight as well as 4 vs 2 piston brakes. The smaller of the two numbers is your native size, and the larger of the two is your current rotor size. That being said, with a little cleaning here and there, one can keep the noise down pretty well and in return, have a good, durable rotor. Bolt Kit Builder. Smaller rotors often provide less stopping power and are better suited for lightweight riders or those who do not ride aggressively. Note that your rotors might not be the same size. 01. Race Tips from Leadville Trail 100 MTB Finishers; Guides, MTB Jun 18, 2024. The size may also be etched on to the rotor which would be more accurate than measuring yourself. OUR OWN PERSONAL CHALLENGE. –max. Raced a couple enduro series and a weekend in Whistler, zero problems. While doing this, tighten the rotor fixing bolts in the order shown in the illustration. Aglo. With all the cutouts it was like having ABS turned on full time with chatter and pulsing. OPTIONS FROM. Selecting the right sized rotor can make all the difference! Larger Rotor Pros: More power; Better heat dissipation; Cons: Less clearance on rocks Product Manuals, Installation Guides and more. A cycling community enthusiastic about mountain biking and all things related. ISCG-compatible chain guide designed to precisely match the SAINT crankset for optimum chain retention and efficiency. – Warren Burton. 20 SAVE 20 %. 1Nm, so it seems obvious that lever and caliper design matters a lot more than rotor size or piston count in terms of stopping power. 8–2. RITUAL Mountain Bike Film Tour Announces Dates and Venues for 2025. Want to know your BSA from your BB90? Recommended rotor size will vary based on several factors, including the maximum size compatible with your frame and fork, rider and bike weight, and riding style. Make sure your rotors are perfectly true if you want to have really quiet brakes. Rotors larger than 180mm can damage Step Cast 27. Longer faster/steeper descents etc and finally considering going up a rotor size in the front at least. The size and width of your mountain bike tires will play a huge role in your capabilities and ride feel when on the bike. 2. I’d like to say that I talked to some German mtb testing engineers and they said trickstuff breaks on 180 rotors break better-all-around than 220/200 for A cycling community enthusiastic about mountain biking and all things related. MTB rotors explained. If you like the 220 rotors you have, I would not recommend going down in rotor size at all. With the knowledge If you had a 29er with guides RS with sintered pads (needed for temp coping) on a 200mm rotor that felt underpowered despite perfect bleed, would you say it would be better fixed by : a. It is best to upsize the front and usually leave the rear Rotor Size Fork/Frame Mount 140 mm 160 mm 170 mm 180 mm 185 mm 200 mm 203 mm 140 IS 0 IS 20 IS 30 IS 40 IS 45 IS 60 IS 140 Post Direct 20 S 20 P 30 P 40 P Flat Front 0F Front 20F Rear Direct Rear 20F 160 IS 0 IS 20 IS 25 IS 40 IS 160 Post Direct 10 S 20 S 20 P 25 S 40 P 180 Post Direct 20 S 20 P 200 Post BOXXER® 27 Direct 3 S 203 Post Totem Direct MTB rotors explained. Follow Vital MTB Facebook; Twitter; Instagram; YouTube; Vital Crew; Terms & Conditions DMCA Galfer DB102W - 160mm X 1. I upgraded the rear disc from 160mm to 180mm and bought 20mm post spacers. Rotor size is not so important then pots, but Center Lock or 6-bolt? 160mm or 180mm? We explain everything you've ever wanted to know about disc brake rotors with our in-depth buyer's guide AFAIK you only need a brake caliper adapter (more weight) and a larger rotor. I have a bike here that has a set of SRAM Guide R brakes and 160mm rotors. 1 2 3. This was the most interesting chart to me in the new test. Their results and data can be found here: Testing Brakes with StopTech They found that smaller rotors stop the car just as quickly as the larger rotors. Generally, mountain bikes will have 26", 27. (with ice-tech pads), SRAM Guide or something older like Sram X9 Rotors - SRAM Rotors, SRAM If you're riding xc stuff, I'd go with shimano 2-piston brakes or sram guides. ² Road, Gravel, Cyclocross -- Consult the fork or frame manufacturer’s specifications before installing a 140 mm or 180 mm rotor. SHOP 40 LEARN MORE. 100%. How Specialized S-Sizing Works, and Why It's Kinda Genius; New . I've run a mix of rotor sizes with Mavens this year: 200R/180F, 200F/R, and 180R/200F. msg }} MTB: Brake type: Hydraulic: Blade material: Aluminum - Stamped: Contact adjust: No: Color (DB) Gloss Black: Orientation: (Disc Brake) Direct mount DIR, Intl Std(140mm Rear,160mm Frt rotor) 0IS, Intl Std(160mm Rear,180mm Frt rotor) 20I, Intl Std(170mm Rear rotor) 30I, Intl Std(180mm Rear,200mm If you're having heat problems with 160 rotors, you need bigger rotors. by Shimano Mountain Bike Size Guide by MTB Monster. Do not use rotors larger in diameter than 180mm with Step Cast 27. Sometimes it’s due to the shape of the chain stays not allowing a physically larger rotor. It developed the spongy feeling that are inherent to the Guide R manufacture in 2016 and 2017 (maybe earlier or later). Bienvenido Aguado, MTB freerider, putting down the run of a lifetime A quick guide (under 6 minutes) to help you install new MTB brake rotors and adapters (for 180mm or 210mm depending on your frame). Tools & Accessories. General differences Most MTBs can now accept well above 200mm rotors front and rear, with DH and eBikes now commonly using dual 220mm rotors. Top 1% Rank by size . You won’t find another post mount type for MTB. What Disk Rotor Size Should I Use On A Downhill Bike? Mountain bike rotors vary in size from 140 to 220mm. max rotor size for QR wheels. It is typically measured in millimeters (mm) and is an important factor in determining braking performance. 21 - 40 of 41 Posts. By Steve Larese Jan 16, 2025. With 180 up front it's ok most of the time but not enough for long days. I think there are some legitimate reasons why there are recommended rotor size limits for forks, but really, the limit should be about the same for all fork brands, unless one brand uses a vastly softer and weaker material that would allow the caliper to rip out of the mounting points. MTB brake rotors come in various sizes: 140mm, 160mm, 180mm, 203mm, and 220mm, but bigger doesn’t always mean better. You'll need to check that your fork is rated for a larger rotor, and that the rider load limits remain the same. After yesterdays ride, they look burnt! running guide rsc front rotor is fine You'd just need a new front rotor ($20 - $30) and an adapter ($15) to change the front to a 180mm, which I think is worth it. Categories. How Do You Decide What Size Brake Rotor to Run? Features, Guides, MTB Jul 3, 2024. 29. What rotors have a wide enough brake track to work with BB7 brake pads for even wear? I want to upgrade a few of my wheel sets to 180mm rotors, I ordered Avid G3 rotors and the brake track was not wide enough. Cervélo BB Right standard. T. r/MTB. Overall this is an effective and generally quieter combo vs the original SRAM pads and Centerline rotors. Avid Trail and Guide Series brakes sram trail and guide series brakes AVID/ sram/ Trickstuff Avid Elixir-DB SRAM XO XX Disc Brake Pads Compatible with: Avid Elixir 1, 3, 5, 7, R, CR Avid DB Series SRAM XX, XO Trickstuff CLEG 2 FORMULA Formula One-R1-RX-Cura Disc Brake Pads By taking on topics such as the how and why of hydraulic disc brakes, while giving riders context to ride style, rotor size, fluid choice, and much more. The 30-15kph deceleration times. Sintered brake pads; SRAM vs. I want Codes. 203 front and rear rotors and MT5 brakes never run out of Deore XT M8100 12-speed series 2-piece rotor construction Pad Compatibility: Metal, Resin Alloy lock ring Ice Technology: clad disc brake rotor blade, which has a 3 layer-sandwich structure of stainless steel, aluminum and stainless steel, provides better radiation performance, significantly reducing heat build-up in the brake system to reduce fading, which ensures consistent high Cross-Country Mountain Biking Legend Reveals Her New Team for 2025. MSRP $84. 2 n/m. So far, I’ve experienced imprecise feel and fade but the biggest issue is juddering/chatter from the front brake, which intermittently behaves like there’s The XX rotors are sweet and weight only 99 and 84 grams. Smaller rotors are lighter and offer “All business” is probably the best way to describe the Code. 5in and 34 Step Cast forks causing suspension failure. In this case we have a digital meter and set 6. Installation of the brake lever I recently upgraded from SRAM G2 RSC on 180mm rotors to Code RSC on 200mm rotors. 3mm rotors, get them in a 220 size. 6-bolt & Centerlock (center-lock). Consult the MTB and Road Disc Brake Caliper Specifications on Sizing. Sign in Create Account Vouchers Hot Bikes E-Bikes E-Bikes Electric Mountain Bikes Orbea Bikes Size Guide. 36 UNDISPUTED ALL-MOUNTAIN CHAMPION. MTB Tire Diameter English teChniCal speCifiCations 13 t echnical s pecifications Type name MAgurA MT Clamping Ø brake lever (A) [TD]mm 22 +0. 5”, 29”) over the past decade. (fork is rated for no limit on rotor size). Rotor size is measured by diameter, ie. The adapter comes with the screws to mount the itself to the fork but does not include the screws to mount the caliper to the Once a rider has a rotor size that will easily lock up the front wheel (or result in an endo), max braking has been realized. Crafted with precision and performance in mind, the alloy carrier of the Radiator rotor is CNC machined from 7075 aerospace grade alloy. The rotor acts as a lever, transferring force from the caliper into the wheel. I'm using their floating wave rotors with Guide RS brakes and Galfer pads. 5''), 160mm (6"), 180mm (7"), 200mm (8''), 203mm (8''), 220mm (8. ROTOR engineering team has done an incredible job Single rotors for use with Shimano XTR M970-series disc brakes. My Account. One last thing to be aware of is the different rotor sizes. Compare. Next article. ³ E-bikes -- Consult the appropriate riding style column and select rotor size based on system weight. cc in summer 2019. 180mm rotors are fine for almost all riding, change your brakes. 2805 posts · Joined 2014 Add to quote; Only show this user #3 ² Road, Gravel, Cyclocross -- Consult the fork or frame manufacturer’s specifications before installing a 140 mm or 180 mm rotor. 8"-wide for some plus-sized tires. or e-mtb's, FOX encourages riders to perform maintenance Time to mount the rotor. New build (Carbine 29) will have Magura MT7 @ 203F/180R with the thicker 2mm Magura rotors. There is more to it than rotor size. Cleared2land · Magically Delicious. Then torque the bolts to the suggested specs. For use with 180mm post mount and 203mm disc rotor Item Specifications Brake Caliper Type Post Mount Mount | Rotor Size 180 Post | 203 Rotor Shimano Disc Brake Adapter Disc Brake Adaptor UPC: 192790506111. Top. r/Leatherman. The Ti bolts that come with the XX rotors are half the weight of the steel bolts (8 vs. I can easily stop myself from doing a stoppie on my MTBR Discussion Forums. Disc Brake Rotors come in a few different sizes. Talk to our experts! 01254 959345. 5mm and one The 2021 36mm and 38mm FLOAT forks use 180mm Post Mounts that allow you to bolt your caliper directly to the fork and utilize a 180mm rotor. More posts you may like r/Leatherman. The first major difference is rotor size. 8 mm thick version) but the thicker rotors do help with heat management and seem to be tougher to bend or warp than many of their thinner counterparts, especially in larger diameters. Question I Posted in Bikewrench figured I post it here too. Huge difference in stopping power on longer descents. The thickness of rotors can vary depending on the models and manufacturers, and is primarily linked to heat dissipation. The rotors are a key part of the braking system. I really like the feel of SRAM brakes, and find the bleeding edge tech makes brake bleeds easy. 200mm front and rear rotors with Guides and upgraded MTX red pads are just barely adequate for me (210 pounds) and will overheat and fade if I am not careful. 5"–8") Thickness disc brake rotor min. Shimano SLX M7000 CENTER LOCK SM Crankset technical information and support for ROTOR cranks, including: KAPIC, KAPIC Carbon, ALDHU, ALDHU24, and more. Guards, Guides & Tensioners Power Meters Shop All Drivetrain; Forks & Suspension Hope MTB Centre Lock Disc Rotor From $101. Contact Us My Orders Returns & Warranties It is also recommended that a cutting guide be used while cutting the steerer tube. (Read ROTOR BSA30 cups installation guide; BSA30 bottom bracket not included with 3D+ cranks) 4. All MTB brake rotors are made of steel – at least on the friction surface. There’s more mechanical advantage with a bigger diameter rotor and so greater stopping power, as well as more heat dissipation. MEN'S MOUNTAIN BIKE SIZE GUIDE Shop Mountain Bikes What to Look for When Buying MTB Brakes Rotor size. After that incident the brakes worked fine. Thanks for your guys help! Shop by Bolt Size. While wearing gloves, apply a force to the rotor to turn it in a clockwise direction as shown in Fig. Galfer has been making high quality brake rotors for motorsports since the 1990's, specializing in making some really high end brake components for superbikes. But, if you weigh upwards of 80 kg and often tackle descents of several hundred metres or more, you should take a closer look at the colour of your rotors. Interesting article here on rotor sizes, you can see some of the DH World Cup riders are going 220 rear and 200 front now too in some of the recent bike checks on Pinkbike and the like. I don't mind a little rotor rub on my mtb, but Rotors - SRAM Rotors, SRAM Trying to fit new brakes to my bike. Old Brakes: Avid Juicy 7 New Brakes: SRAM Code Bike: 2008 Giant Reign X0 Front Rotor/Mount: 185mm rotor - Post Mount (bracket label "185 POST") - Fox Float 36 RC2 Rear Mount: 160mm rotor - IS Mount (bracket label "160 R") I'm having a hard time understanding the spacing requirements for mounting my calipers. A larger rear rotor is a more unusual choice, but isn’t entirely unheard of — and in fact, World Cup Downhill racer Troy Brosnan has been known DIY Rotor Truing Guide / Caliper Advice. Maximum rotor size - Rize and Lefty Max PBR Jump to Latest 1. If your fork is a 180mm post mount then the 40mm adapter will be the right size for the 220mm rotor. 16 *Free Shipping on $50+ Magura MDR-P Rotor $67. 1K views 16 replies 17 participants last post by Phk86 Nov 3, 2011. Which size rotor to use depends on the rotor The most common rotor sizes are 160, 180 and 200mm, although we’re starting to see bigger 220/225mm rotors for e-bike use. Being as im newer (3rd full season in) im getting better so riding faster and more advanced xc trails. Sometimes a frame will have a listed maximum because that’s the largest amount of force the chain stay was tested with. The extra thickness does, of course, come with a modest weight penalty (about 50 g per rotor for a 203 mm diameter, as compared to TRP’s 1. Yes, I think it is actually the adapter. However, some rotors have progressed since then (mostly in the noise department). Best. Larger rotors are heavier but offer better power. The combo pack is only offered with 160mm rotors front and rear. Mountain Bike Tire Size & Width. 1 Socket distance (PM) (B) 74 ±0. View and Download ROTOR Q-Ring setup manual online. Troubleshooting 7 Troubleshooting NOTICE Do not apply DOT brake fluid or grease to caliper pistons when performing troubleshooting procedures. They have different size spacers too as you see in the link. It's worth noting that some frames have a max rotor size it'll allow as well. I am 220 and 5'10 and I have always wondered about rotor size. Then I plan on replacing the system with the Magura MT5e’s. Other than that, use whatever rotors you want. If in doubt, check your old rotors to see if they list a size over 2mm - if not, choose 1. Place it onto the hub, note disc orientation and rotation direction. Last Minute MTB Stocking Stuffers. MORE FROM FOX. Is this adequate or would a 180mm up front be a better choice? I'm basically an XC type rider and weigh 135 pounds fully suited up. I would assume the cheapest way to get more out of my (perfectly functioning, like new, I just want more power) brakes would be to upgrade rotors to a larger diameter. However I’m not very savvy with hydraulic brakes. Multiple rotor sizes Page 5 (Read 3D+ installation guide for BB30 system) 2. 160mm Floating Disc Brake Rotor with 6 Bolts Stainless Steel Bicycle Rotors Fit for Road Bike, Mountain Bike, MTB, BMX ( Stainless Steel, 2pcs) Mountain Bike Brake Rotors Buying Guide. Did enjoy the feel of the Guides though during 80% of riding. 9mm thick rotors will fit any brake caliper. So the answer is a hard “maybe” Edit: the tech document for the 2019 Range doesn’t list a max rotor size. This is usually reserved for enduro and downhill bikes. Shimano Alivo SM-RT56 Disc Rotors . 5in and 34 Step Cast forks. , 160mm, 180mm, 203mm) matches your brake caliper’s requirements. Answer: Mountain bikers have a dizzying array of options to choose from, including three wheel sizes and up to five diameters of disc brake rotors. The first ride out was light to "bed them in"" no discolouration & a 1 hour ride. I run 140's on my gravel bike and they work fine. Don’t wear your rotor as much as disc brake pads; Cons. They will still stop very well while making braking a little less noisy and cause a little less rotor wear. 3/-0. So it is only 1. Centerlock rotor mount Note: 140mm version works for rear applications only To change rotor sizes with the new Shimano XTR M970-series brakes, you need both the larger rotor and the appropriate adapter Weight: 203mm w/ lockring: 199g Sram Guide R rotor size upgrade. bumping up the rotor size some A cycling community enthusiastic about mountain biking and all things related. They also measured the Guide Ts at 55. Learn about rotor sizes, materials, top brands, and installation tips to elevate your mountain biking experience Rotor Size: Ensure that the rotor size (e. Learn More LOOKING TO SIZE UP OR DOWN? CHECK THESE. Rotor size is only part of the matter, having brakes for what you ride matters too. Find Your Size for TRIATHLON BIKES. Weight-saving star pattern, new rotor design means enhanced pad life. Drive-side Assembly Installation. Skip to main content Toggle menu. Here are the considerations to The Avid G2 Clean Sweep Rotor is a decent rotor. Find Your Size for ROAD AND CYCLOCROSS BIKES. The size of the rotor affects the overall braking power of the bike. Can someone tell me what adapter I need to make the bigger 200mm rotor work with my fork and Guide R brake. Using a rotor Our top tip would be to run 200 / 200 mm rotors for all applications, ultimate force, we would even consider a 220 mm on the front for 29ers. That'll put things in perspective for us mountain bikers whining about spending $50 on an average rotor. In almost all cases, it’s the rear rotor that takes the br Identify your frame or fork's mounting standard and the recommended rotor size, then use the chart to determine the appropriate mounting and hardware configuration. Learn More Register Your Product Get the most out of your products. The bolts, holes and spacers are already there. The larger the rotor, the larger the amount of leverage it offers. The bike currently has the stock 180 mm rotors, I plan to change those to 203 mm rotors. Shimano brakes. Also bigger the rotor, easier will be to bend again. The major disc rotors for road bikes are 160mm and 140mm, while larger rotors such as 180mm, 203mm, and 220mm are used for MTB. The bigger the rotor the more power you will gain. Jump to Latest 750 views 17 if the original rotor size is 160mm there should be no problem, unless the fork wasn’t designed for the larger rotor. Reply reply Browse a huge selection of MTB disc rotors from the top brands in all the sizes. The pressure on the back of the pistons (and thus force exerted on the disc) plus the braking materials you choose have much more to do with initial bite. By Deven McCoy Jan 16, 2025. I run 203's (on all my mtbs) because if I run 160's the rotors will overheat and turn blue. Bigger rotor will brake better, but it is better to work on your braking technique. Exclusive offers straight to your inbox. Use of DOT brake fluid or grease can Running the front rotor one size larger than the rear (e. I was going to upgrade rotors as well to ICE-TECH rotors. As the title states, I’m looking for suggestions to upgrade my brakes. The best disc rotors are available in various sizes, but the most common are 160, 180 and 200mm. "Standard" and "CPS" Which one? I have Guide R brakes on my 2016 Devinci. You should also be doing 60-70% of your braking with the front. I certainly Questions on upgrading to larger rotor size. 00 (0) Currency United States (US $) Better Bolts Bolt Measuring Guide PRINT ON LETTER PAPER SET SCALE Read more. I need a variety of rotor sizes. You'll notice some brands use 203 and 223mm rotors Otherwise, for cases where manufacturer size guides are unavailable, we’ve come up with a set of sizing suggestions below to help you through the process. SM-MA-F180P/P2. When it first came out it really set the bar for what rotors should be. Your existing caliper should work fine, and the hub bolt pattern should be the same too. Check out link in bio! #ShimanoMTB #RideShimano". Avid bb7 rotor size question. I’m running SRAM Guide Ts with 203mm rotors front/rear (edit: the rear rotor is actually 180mm) which came stock on my Commencal Meta hardtail. 42mm Page 6 #2. Larger rotors provide better cooling when under intense braking. 100X4 BCD CHAINRINGS. BB30 Press fit cups standard. If you're after more power, you could try going up in rotor size before spending the $$ on new brakes. #4. Measure from the Center Lock or 6-bolt? 160mm or 180mm? We explain everything you've ever wanted to know about disc brake rotors with our in-depth buyer's guide. The extra 30% of fluid volume So the larger disc needs less manual force for locking the wheel and that means the necessary level of force is reached faster, so the larger disc can be said to stop the bike faster (at the same level of manual force) But you'd likely take longer to stop than a 160mm MTB brake because of all the additional weight and additional rotating My rotors are noisy. Rotors thicker than 2mm are only compatible with specific brake models. Like the Ultimate level model above, the 180 assumes it will be installed on 160mm post mounts to run a 180mm rotor, but it will add 20mm to whatever size post mounts it's used on. Before increasing rotor size check the recommended maximum rotor size for your Upsizing your brake rotors can be appropriate if you are a large rider or progressing your mountain biking, by attempting longer, steeper and more technical descents. 16 grams). From what I can tell upgrading rotor size is one of the easiest and most cost friendly methods of improving braking. Instead, it’s all about ensuring the right amount of heat is generated. 8mm ROAD/GRAVEL 6-Bolt Rotor. Even just going from a 180mm rotor to a 200mm rotor you will gain an average of an 18% decrease in deceleration time. Rotor Size Recommendation Chart 1 If riding styles conflict, it is up to the user to size up or size down based on necessary braking power. 00 (5) Award Winner *Free Shipping on i have run magura rotors with my guide R brakes for two seasons now. MY24 Enduro / All Mountain / Trail. More for forces generated during braking vs size/clearance issues. Bigger rotors = grabbier brakes. Mpn: ESMMAF203PPMA. Therefore, between a 200mm and 220mm rotor, the torque will be increased by a factor of 1. tag1260 Discussion starter 20 posts · Joined 2021 Add to quote; Only show this user #1 · Jun 10, 2021. Shop 36 Learn More. Gravel bike w/ MTB tires, carbon fork'd steel SS 29er & titanium SS 27. Rotor Mounts 180/160 here on a 29er ht and im 270 lbs. Front brake (current): SRAM Guide R, hydraulic disc, organic pads, Guide S4 4-piston caliper, 200mm. When you do change rotor size make sure you are getting the correct disc brake adaptor where the rotor is installed), and the left and right sides of the rear wheel, and as shown in Figure 2 below for the right side of the front wheel. For more aggressive downhill or enduro riding, a larger rotor, such as a 180mm or 200mm, may provide better stopping power. When I started going to another local trail with steeps, long descents and rock 898 likes, 4 comments - shimanomtb on September 12, 2024: "Confused by brakes, rotor sizes, and pads? ‍ Our easy-to-understand guide to brakes gives you all the info you need to find the right brake setup so you stay in control out on the trails. In our experience noise is generally caused by poor alignment, or glazing or contamination, but if rotors have The size of rotors for a mountain bike depends on the type of riding you'll be doing. Mud-shedding design with alloy bash guard and noise-reduction material on lower guide. They’re the link between the brake and the bike and massively impact performance. My experience is that these brakes work fine- nothing more but nothing less. Brake pad buying guide Mountain Bike Disc Brake Pads - Reviews, Comparisons, Specs - Vital MTB I was about to give up on Shimano brakes when I switched to 203 Previous bike (Nomad 3) Guide RSCs @ 200F/200R. TBS Bike Parts Customer Reviews. Sram, Shimano, Hope, TPR, Magura, Hayes & Jagwire rotors. Yes, there are spacers that reposition the calipers for different rotor sizes and yes, forks and frames are rated for max sizes because of the increased forces. Mountain bikes will be found with no smaller than 160mm rotors, while higher end MTBs will come with 180mm rotors, and some even with 200mm or 203mm rotors. Mineral Oil vs DOT, What Rotor Size Riders Need, and More Burning Questions Addressed - SRAM's Science of Stopping - BHowell - Mountain Biking Videos - Vital MTB For the first case, it’s very straightforward to find your native size. Rotor bolt size? Jump to Latest 39K views 7 Bear in mind that stock rotor bolts include factory applied thread locking compound, since having a rotor bolt vibrate loose while riding could very unpleasant. The Boz Discussion starter. For more aggressive Are bigger MTB rotors better? Rotors come in 140mm, 160mm, 180mm, and 203mm sizes, and depending on the category of bike you’re riding, it will be set up for different-sized discs: the front rotor will usually be a size up Here are a few reasons why owning a set of Mountain Bike Brake Rotors can greatly improve your biking experience. Front derailleur. More material enables better heat dissipation, preventing the sensitive calliper from overheating – at least in theory. Share Sort by: Best. My rotors (G2 CleanSweep) are clean / straight, calipers and rotors are aligned, and I'm still running the original organic pads that came with the bike. 0"-wide all the way up to 3. Road and cyclocross bikes with disc brakes either come with 140mm or 160mm rotors. Jump to Latest REVIEWS DEALS BIKESHOPS TRAILS. Go to MTB r/MTB. After initially mounting the six disc bolts on a disc, tighten up with a star pattern, always tightening opposites to keep the rotor centralised correctly. 140mm (5. rotor size : 220mm/200mm model : code rsc Guides with 200/180 on a trail bike. General Discussion. By increasing rotor diameter by 20 mm, you’ll also increase braking torque by approximately 10%. There’s more mechanical advantage with a bigger diameter rotor, so greater stopping power Discover the ultimate guide to upgrading your MTB brake rotors for enhanced performance and safety. I am building my first bike and I would like to know if having a 203mm rotor as opposed to 160mm makes a difference. Search. Preload A cycling community enthusiastic about mountain biking and all things related. , the 223 mm front / 203 mm rear combo tested here) tends to work well for me, personally, though running equal size rotors is also common. For example, if the adapter says “160PM to 180PM”, your native rotor size is 160mm and your current rotor size is 180mm. I have a Sram Guide rotor; which are size 200 whereas my son has Rotor size has nothing to do doesn't have as much to do with initial bite unless you're experiencing some serious brake fade. They looked fine. Price: $49. Also, disc road and gravel bikes usually have either 140mm or 160mm rotors. Front was OK, rear used to fade a bit on long, demanding DH runs, even with fresh rotor/pads/bleed. Contact us directly for specs on older models such as 3D and 3D+ INspider® MTB Shimano® Compatible. Question I’m upgrading my guide R brakes to XT. With one rotor being 200mm and the other 203mm, the sizing difference between the two is 3mm of the radius. Contact Us. This post mount eliminates the need for a caliper adaptor when using the most common 180mm rotor size for forks with these amounts of travel, which saves overall system weight. Other Ice-techs may or may not work since I haven't seen or tried them yet with Guides, the construction is a bit different so there might be clearance and/or alignment issues. MTB brake discs in Punch Guide R, DB-GDE-R-B1, SRAM {{ data. Find Your Size for MOUNTAIN BIKES. 6''). 93. It is a slight improvement but if the brakes are fundamentally not working then a slightly larger rotor is not going to change that. So I just got into mtb and I currently ride an entry level hard tail with Shimano mt200 hydraulic brakes (180mm rotor up front with 160mm in the back). Long story short: upgrade your rotors now, but then save up and upgrade your brakes. These disc brake pads will offer a tradeoff between braking performance and pad wear/noise. Identify the caliper mounting type, fork and frame standard, rotor size, and proper mounting hardware before proceeding with installation. 180mm centreline rotors - 2nd time out, black and blue! hi, pic of my rear rotor after a 3 hour ride yesterday showing them black and blue. 0 mm MSRP: $95 to $131 Blister’s Measured Weight: 203 x 2. I purchased the Magura 180-203mm QM44 adapter My Rise has the FOX 36 forks with 203mm rotors, and uses the Shimano SM-MA-F180P/P2 adapter (fitted in Orbea factory) when holding the two adapters side by side, they’re exactly the same size, and the new Magura adapter fits my FOX 36 forks absolutely fine The rotors of our MTB brakes. Customer service . Find Your Size for LIFESTYLE BIKES. 99. You're safe with a 180 So you need 1) downhill level calipers, such as Shimano Zee, 2) the biggest rotors you can fit on your bike, at least 180/180 but try for 203 on the front if possible, also get good rotors (Shimano RT86), 3) metallic/sintered pads (the finned version if you go shimano calipers).