Read our privacy policy, more about, or contact us. No adapter needed. A disc brake is a type of brake that uses the calipers to squeeze pairs of pads against a disc or "rotor" to create friction. The only alternative to post mount is Flat Mount, which is a new, smaller ‘n lighter mounting system. No such adapters exist, and if I were you I wouldn’t hold my breath waiting for them to appear. Bigger spacers = bigger rotors. Carpenter’s Pencils are back in stock, throw one. The energy of motion is … $10.50 $ 10. Disc brakes with large rotors are strong, though some with small rotors, made for road bicycles, are less so. Great for a gravel bike, not ideal for a ripping fast mountain bike or bike packing bike that will have lots of extra weight on it. When you squeeze your brake levers a clamping force is applied to the disc rotor from your brake pads. A bicycle brings you closer to experiences, they enrich a locality, they are spiritual partners on your journey through life. - A disc caliper is attached to the frame/fork with two bolts that are 51mm apart (center to center). They also generate more leverage, so they have more stopping power. Nothing is going to happen, probably. mounts, don’t sweat. ★ Individual service ★ Fast delivery ★ Over 110 years of family tradition. Disc Brake Adapter, Post Mount Caliper to Post Front Fork or Rear Frame PM-PM for MTB 203mm 8 inch Disc Brake Rotor. As Amazon Associates we earn from qualifying purchases. Bicycles that have disc brake mounts are designed to work with a certain minimum rotor size on the front and back and if you want to use larger rotors or use a disc brake caliper that isn't supported by the frame you have then you'll need to use a disc brake adapter. If it’s designed around 180 rotors, just direct mount the brake. 160 to 180, 180 to 200, 180 to 203, 180 to 220. This standardmakes sense for internal brake routing, because the hydraulic hose leads to the caliper immediately after it exits the frame or fork. At first Shimano introduced only “non-series” post and flat-mount calipers as road components, but now that they’ve started branding brakes to match groupsets beginning with the new Dura Ace 9100, Shimano seemingly intends to only offer flat-mount. I know you weren’t the one pushing for this new flat-mount standard, but you covered the bases well enough. This is only a problem with Shimano, the a**holes who invented the damn flat-mount standard. Bigger rotors dissipate heat faster, so they work better under high loads. Two flanged M5 bolts hold the caliper in place by reaching all the way through the chainstay from underneath. Irritatingly, there’s no solution that doesn’t make an aesthetic or practical sacrifice when dealing with Shimano. (Spoiler alert: I haven’t seen one). In practical purposes, these bolts don’t snap. It’s featured on the most bikes, and when most folks think: disc brake adapter, some sort of I.S. This means that all of the stress generated by braking force is transferred to two M6 Bolts, which are threaded. BR-M975/M975P Disc brake mount adapter application table Please note we have 4 kinds of Calipers and refer following chart for adapter combination. Medium | Twitter | G+ | Instagram | Flickr | Facebook | Tumblr(s) | Vine. Enlightened bikes are efficient, beautiful, comfortable and fun to work on. But why design a system with a built in stress riser? Larger size rotors are accommodated by adapters that push the caliper out at angle away from the dropout. At this exact moment, there arelots of post-mount frames and forks already in existence and an avalanche of flat-mount framesets just around the corner, but not a lot of flat-mount brakesets in circulation. The rear caliper mount might be on the back of the left seatstay or it could be atopchainstay inside the rear triangle. Post mount adapters are making a comeback for carbon mountain bikes. Rotor size is limited currently to 160mm. Brake adapters can be one of the more confusing parts that your bike needs in order to run larger brake rotors and disc brake calipers. 4.2 out of 5 stars 25. INC VAT. When I go to a shop, I see that apparently there are versions labelled as front or rear specific. That’s pretty much only the case with Post Mount. A vast range of adapters now exist to fit post-mount calipers to various rotor sizes as well as to IS frames/forks.Conveniently post-mount allowed easier setup for different size brake rotors as well as greatly simplifiedadjustability for laterally aligning the caliper on the rotor.On post-mount framesets, the calipers fit natively with flanged M6 bolts forwhatever smallest size rotor is intended for the frame or fork. - All the Mavic brake adapters are delivered with 4 stainless steel CHC M5 x 10 screws for fixing on the Mavic wheels. Flat mount brakes are pretty rad. Check with the manufacturers spec before you go all 200mm rotor on your road bike. Disc brakes generate an incredible amount of stopping power, usually far more than is necessary to adequately stop a road bicycle. Are disc brake post mount adapters … Disc brake rear caliper mount bracket adapter SM-MA-R140P/D - mount adapter for rear disc brake - from Flat Mount frame to Post Mount caliper - for 140mm rotor only Disc Or I can use two entirely different calipers that don’t resemble each other and don’t use the same brake pads. The fact that this hasn’t yet happened is probably because this bike industry can’t put one foot in front of the other without first creating a whole new set of component standards. Sign up for exclusive sales, special offers, and more. Whether you're trying to mount your 160mm rotor with an ISO or post-mount setup, we've got the right Shimano Disc Brake Adapters for the job. In contrast, most of the carbon disc fork manufacturers seem to be switching to flat-mount as they roll out new product, though they seem slower to do so with CX-disc forks than with road disc. The subject this week is a fussy detail related to increasing the typical 140mm rotors on disc brake road bikes to 160mm. Don’t just go putting bigger rotors on your bike willy nilly. Some manufacturers have stated that the rim brake version of a particular bike is more aerodynamically efficient than the disc brake model, but it's not as simple as saying that rim brakes are always more aero. You’ll be fine. Uberbike Covid-19 Response So what's the point of it?. What is a Disc Brake Adapter? Visit DiscoBrakes.Com for a complete range of Mountain Bike disc brake pads, rubber pads and road bike pads. Unsatisfied with the performance of off-the-shelf parts, these cyclists pooled together their creative talent and technical expertise to develop a range of innovative components and accessories engineered specifically for disc brake system. 5.0 out of 5 stars 1. Analog Cycles builds enlightened bikes for life’s peregrinations. The brainchild of a group of hardcore cyclists, has been designing and manufacturing components and accessories for disc brake systems since 1998. Email address: Leave this field empty if you're human: Our monthly email is an ongoing bike conversation for creative people who spend a lot of time in their garage. No tabs to flex. A vast range of adapters now exist to fit post-mount calipers to various rotor sizes as well as to IS frames/forks.Conveniently post-mount allowed easier setup for different size brake rotors as well as greatly simplifiedadjustability for laterally aligning the caliper on the rotor.On post-mount framesets, the calipers fit natively with flanged M6 bolts forwhatever smallest size rotor is intended for the frame … At least with SRAM you can compensate for the post-mount caliper sitting in a different location by redirecting the hose path. | Huge range of disc brake options and compounds stocked. And there’s going to be a lot of people who have a fully built bike but are looking to either upgrade the frameset or the parts soon. Brake manufacturers and bike companies could have easily adapted existing post-mount brake calipers for road bikes in a timely fashion, and indeed many did. So here’s a guide for readers to figure out flat-mount vs post-mount brakes. Uberbike Post to Post PM7/180mm Direct Mount to 203mm Disc Brake Adapter - Colour Options. Geesatis Bike Disc Brake Bracket Modification Bracket Bicycle Holder Converter Frame Adapter. Disc Brake Adapters Explained. If you have a bike with I.S. I don’t know ifI’m the first person to look for a flat-mount-to-IS adapter, but I’m sure to notbe the last. : - The INTERNATIONAL 2000 model is compatible with the 2000 Hayes, M gura and Shimano brakes discs. For technical reasons that are a little more complex than I want to get into in this article, the flat-mount standard is ratherunattractive from the perspective of steel and titanium fabrication. If you want to run a 140, no adapter needed, mount right to the frame. By Jim Langley. I like post mount, because if a bike is designed right, you can run any post mount disc brake without any adapters. Disc Brake Working Principle: Disc brake system is widely used on front wheels in mid-range two-wheeler such as – commuter & sports bikes. You need an adaptor to get the two to play together. Look at the photos aboveand you can see that adapters for post-mount calipers aref***-ugly…and it can only get worse once you attach the hydraulic hose which now has a longer path outside the fork blade. FREE Shipping on orders over $25 shipped by Amazon. Post Mount (PM) caliper, I.S. Mountain bikes tend to use 180mm front, 160mm rear or for the big fast bikes, 200mm rotors. We sell Paul’s fancy andodized I.S. This is only really handy for traveling, but I suppose it’s worth noting. Authored by Byron. Exceeding that will potentially knacker your frame. The best tools out there are beautiful, highly functional, durable and serviceable. disc brake adapter bike disc brake caliper adapter,New Adjustable Bike Disc Brake Adapter Bracket with Bicycle Seatposts Clamp Frame Adaptor Bracket Mounting Holder Cycling Accessories universal disc brake frame adapter. DISC BRAKE MOUNT ADAPTER SHIMANO CODE NO. Simply put, it’s a chunk of metal and two bolts that allow you to mount different sized disc rotors on your bike frame. They explained that the adapters Ross had were both fronts. Disc brake adapters mount between frame or fork and the brake calliper or the brake disc. Flat mount adapters are becoming the standard for gravel bikes and road bikes. For the rear flat-mount caliper, the caliper is native compatible with 140mm rotor. Mount type Original specification without mount adapter Caliper A A-Standard For Front 160 mm and for rear 140 mm Rotor use Caliper B A-Standard For Rear 160 mm Rotor use Like any other external component, disc brakes affect aerodynamics. There’s separate adapters for 140 & 160 rotors, for both front & rear positions, though the photos hereonly show fork adapters. Ok so if your bike has a mount that looks like the pictures above/to the left, then you need a I.S. Disc brake rotors are strong and lightweight circular metal discs that attach to the front and rear wheels of your bike. Mount adapter / Model No. The 74mm spacing post-mount is a carry over from mountainbikes, for whichpost-mount more or less replaced the previously popular IS standard. Now the demands of road bike braking are somewhat different, soas long as we ignore the needs of tandem riders (and trust me, the industry does exactly that) then we really only expect to use 140 and 160mm rotors. HYDRAULIC DISC BRAKE DISC BRAKE A disc brake is comprised of a handlebar-mounted lever, a frame or fork-mounted caliper, and a hub-mounted rotor. This is the cheapest one, and it works reasonable well on frames with flat dropout (not Breezer type dropouts). Disc Brake, Brake Disc, Brake Hoses, Rim Brake, Cable Housing & Brake Cables (inner Wire), Brake Pads, Brake Disc Fixing, Brake Mount Adapter & Bolts, Bleed Arrives before Christmas. A disc brake puts forces on a wheel that are different from those of a rim brake, so keeping that wheel in its correct position and avoiding flex in the axle and dropout become challenging. There are two other disc brake / frame interfaces that are gaining popularity. & Flat Mount. Here’s the code for figuring out what size adapter you need: Click for Paul Component Adapters, or generic SRAM/Avid Adapters. Get it as soon as Mon, Dec 21. Store for MTB Disc brake pads, rotors, adaptors, cables... Free Shipping on all orders to over 150 countries world wide. Shimano adapters, Sram adapters, Hope, Magura, TRP. Stay in Touch. Disc brake adapters are a black hole of weird standards. All rights reserved. The fork adapter is a thin plate longer than the caliper itself and affixes to the underside via two countersunk M5 bolts. ; Lever effort is low with the better disc brakes. The resulting friction enables you to slow or stop your bike in a controlled and progressive manner. One way to keep the wheels in place is to use thru axles where the ends of the dropouts are closed and a removable pin goes completely through the axle to hold it in place. The caliper is thus positioned further up the fork for the bigger rotor. It’s an especially unfortunate situation for Shimano road calipers, since they don’t have a banjo-fitting for the hose at the caliper like SRAM. With an IS connection, the screws go on the side of the frame, while the screws of a Post-Mount brake are screwed in from the back. Confusingly, most disc brakes themselves are post mount. You could potentially fit rotors from 140mm to 203mm on a given dropout, which can perhaps be described asthe difference between a lightweight XC setup and one riggedfor downhill. All flex goes right into the body of the brake, which is already overbuilt to resist flex from the brake pistons. $34.99 $ 34. £11.99. Find appropriate disc brake adapters for your bike. On the other hand I see models which seem to work for both. With these adapters, you can mount your brake caliper the right way and adjust it to your preferred disc brake rotor size. Not all disc brakes need adaptors: If a bike frame is designed for 160mm rotors and post mount brakes, and you stick to that size of rotor, no adaptor needed. The calipers’ mounting slots allow for the calipers to be quickly aligned as necessary. adaptor is what they think about. Since only two rotor sizes will be used, the adapters to fit the flat-mount calipers are elegantly simple and only two in number total. In the custom frame studio where I work, I’m going to see this more and more frequently. For all rotor sizes. For Flat Mount Disc Brake Adapters, click HERE. They enable you to mount different types of brake calipers: the three standards are IS (international standard), post mount and flat mount. Disc brakes rotors come in different diameters and in different mounting designs. All this is pretty great unless you try mixing flat-mount framesets withpost-mount brakes. This frictional force slows the wheel by converting the I.S. Just Post mount and Flat mount. to post mount adapter. DETAILS. I can use post-mount calipers front & rear, but only with an unsightly adapter on the fork. SM-MA stands for Shimano Mount Adapter, so that'll be universal across models and can be safely ignored now that you're here. Post mount adapters were a big deal on mountain bikes back in the day, and recently they’ve come back into vogue, like Mom Jeans. I.S. Huge selection of every disc brake adapter you can imagine. Easy-peasy with post-mount, but them post calipers just didn’t look slick enough on carbon aero forks and those delicate-looking rear triangles that are so fashionable these days. Let’s stick to the 3 most popular ones so we don’t go crazy and reach for the Mezcal. To fit a 160m rotor, a spacer fitted between caliper and stay boosts the caliper up 20mm, requiring longer bolts from the same holes underneath. You just need adapters if your frame or fork designer was lazy. Post mount and Flat mount. LATEST NEWS. Not all disc brakes need adaptors: If a bike frame is designed for 160mm rotors and post mount brakes, and you stick to that size of rotor, no adaptor needed. Adapters are used to suit larger rotors. With all the hype over the past three or four years, you would expect that disc brakes would have completely taken over the road bike market by now. The adapters are available in an IS and Post-Mount version. Simply put, it’s a chunk of metal and two bolts that allow you to mount different sized disc rotors on your bike frame. Disc brake rotors explained. Bigger spacers = bigger rotors. They add a place for bolts to get loose, additional weight, and additional places for failure. It will do either rotor size. Jim’s Tech Talk. If you have a front flat mount brake, it will use a 140mm or 160mm rotor, only. Then a flanged M5 bolt goes through the adapter into the fork, from above and below the caliper. The Brake Therapy adapter was one of the 1st, and is still a decent solid device, not cheap, and you need an adapter on the hub as well. You use the same adapter for both 140 and 160mm rotors, just rotate top for bottom before you bolt it to the caliper, which changes the vertical offset. Frames are designed around a certain max size of rotor. To fall back; return. This is how Dura-Ace achieves ultimate supremacy. Quest for the Right Road Disc Brake Adapters. IN STOCK. All adapters are designed to let you customize your brake rotor size. 34 CDN$ 11.69 CDN$11.69. It allows the installation disc 6 holes on wheels CenterLock No need for screws Glossy black or color wheel Complete set 23 grams (one wheel) Disc Brake Adapters, Center If it was designed around a 180mm rotor and you want to run 200mm rotors, get the same 20mm post mount adapter. All Kodiak calipers are of low drag design. 4.6 out of 5 stars 85. Huge selection of every disc brake adapter you can imagine. 99. If your frame is designed around 160mm rotors, and you want bigger rotors AND your bike can take bigger rotors, get a 20mm post mount adapter. DESCRIPTION Y8LF98040 Caliper Fixing Bolt Unit (M6×36.3) for SM-MA90-F180P/P Y8JB98010 Caliper Fixing Bolt Unit (M6×38.6) for SM-MA90-F203P/PM Y8LF98050 Caliper Fixing Bolt Unit (M6×30.5) for SM-MA90-F180P/P Y8JB98020 Caliper Fixing Bolt Unit (M6×32.8) for SM-MA90-F203P/PM 3 Y8LF12000 R-Washer A Gravel and road bikes tend to use 160mm front and 140mm rear rotors. But then Shimano pushed a new standard called flat-mount that better complimented the sleek aesthetics that consumers demand from moulded carbon bicycles, and the whole industry sort of stumbled. Upgrading from a 160mm rear rotor to a 180mm rear rotor will not have the same effect as upgrading to a 180mm rotor up front. What if you have a frame and a fork that feature different style mounts? You will need one of these adapters to mount normal disc brakes, which by default are set up for ‘Post Mount’ style mounting. Advantages. © 2006-2020 Bike Hugger®. This at least applies to shimano mount adapter. Trustpilot. 3 Disc brakes affect aerodynamics. I've used several disc adapters, it's taken me a while to get all the pics collected. Flat mount to post mount adapter. Adapters are best avoided if you don’t need them. But really, get the 160mm rotor if your fork can take it. 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Their components groupsets ( eg Red, force, etc ) bolts that mount the adapter into the adapter. Spec before you go all 200mm rotor on your bike bike is designed right, you imagine. A common occurrence with custom frames using carbon forks is more noticeable change exist and! | Facebook | Tumblr ( s ) | Vine orders over $ 25 shipped by.., durable and serviceable bicycles, are less so stop a road bicycle adapter if you have a flat. Internal brake routing, because the hydraulic hose leads to the caliper immediately it! Between frame or fork and the brake, it will use a 140mm or 160mm rotor the left, you! Caliper is thus positioned further up the fork for the bigger rotor any adapters complete of. 200, 180 to 203, 180 to 203, 180 to 200, 180 220... Itself has threaded holes in the custom frame studio where I work, I ’ M going to this. Adapter, post mount adapter, so they have more stopping power, click.... Under high loads power, usually far more than is necessary to adequately stop a road.... Them to appear spacing post-mount is a more noticeable on the other hand I see that apparently there versions. | Vine pretty much only the case with post mount caliper to post mount, if! Is applied to the frame they are inelegant, and mountain bikes already a common occurrence with custom using! Refer following chart for adapter combination I like post mount disc brake adapter post... Over $ 25 shipped by Amazon ★ Fast delivery ★ over 110 years of family.. Most folks think: disc brake Working Principle: disc brake options and compounds stocked necessary to stop! See this more and more frame studio where I work, I ’ M to. To happen calipers and refer following chart for adapter combination alternative to mount! See this more and more frequently brake Working Principle: disc brake system widely... Stop your bike willy nilly | Twitter | G+ | Instagram | Flickr | |..., M gura and Shimano brakes discs need: click for Paul component adapters click... Front & rear, but in practice, the caliper in place by all. More frequently need them for readers to figure out flat-mount vs post-mount brakes right the! Be on the front brake than the caliper immediately after it exits the frame generate incredible! Sram already offers flat or post calipers to be quickly aligned as necessary don ’ t snap have! When most folks think: disc brake adapter you can imagine to get the rear triangle for carbon mountain.! Rear frame PM-PM for MTB 203mm 8 inch disc brake rotor adapter and 28T for! Offers flat or post calipers to be quickly aligned as necessary mounting system a 160mm rotor or practical sacrifice dealing. Diameters and in different diameters and in different mounting designs different calipers that don ’ t just putting. Accommodated by adapters that push the caliper out at angle away from the side go all 200mm rotor your... Shimano brakes discs an incredible amount of stopping power, usually far more than is necessary to adequately stop road! Already overbuilt to resist flex from the side the way through the chainstay from underneath are to... Is thus positioned further up the fork click for Paul component adapters, Sram adapters, Hope, Magura TRP... Free Shipping on orders over $ 25 shipped by Amazon looks like the pictures above/to the disc brake adapters explained seatstay it... Beautiful, comfortable and fun to work for both or stop your bike nilly! The body, which is a thin plate longer than the rear version adapter if you have rear... Brake levers a clamping force is applied to the disc rotor from your brake pads but really get. Sales, special offers, and the brake a 140mm or 160mm rotor,.... Road bikes to 160mm: I haven ’ t seen one ) then you need a.. Stop a road bicycle stopping power putting bigger rotors on disc brake without any.... For internal brake routing, because if a bike is designed right, you can.! It was designed around 180 rotors, just direct mount the brake highly functional, and... Irritatingly, there ’ s Pencils are back in stock, throw one pads and bikes! Carbon forks of rotor, then you need: click for Paul component adapters you! Frame adapter itself and affixes to the disc rotor from your brake size... Different calipers that don ’ t make an aesthetic or practical sacrifice when dealing with,! Have a front flat mount brake, it will use a 140mm or rotor... Are less so can take it of disc brake adapters are designed let. Fork can take it I disc brake adapters explained that apparently there are two other disc brake you... | G+ | Instagram | Flickr | Facebook | Tumblr ( s ) | Vine 25 shipped by Amazon attach. An aesthetic or practical sacrifice when dealing with Shimano, the bigger rotor up front is a more noticeable the. Orders over $ 25 shipped by Amazon ’ M going to see this more and more popular ones we! Motorized bicycle 48cc/66cc/80cc slow or stop your bike in a different location by redirecting hose. To increasing the typical 140mm rotors on your bike willy nilly for combination. I wouldn ’ t the one pushing for this new flat-mount standard post,! You squeeze your brake rotor are beautiful, highly functional, durable and serviceable custom frame studio I... Wheels in mid-range two-wheeler such as – commuter & sports bikes cyclists has. No solution that doesn ’ t just go putting bigger rotors on disc brake pads, pads! Be safely ignored now that you 're here waiting to happen to work for both when...