Cassettes are the biggest influence on your mountain bikes gearing and related to the NX/GX drivetrain debate, it is a question of weight versus cost and convergence. Or simpler - what should I buy that will fit the BB? Is there a generic term for these trajectories? . SRAM claims that the DUB cranks should fit nearly every modern bike out there, save for a couple of pretty niche exceptions frames built around Super Boost rear dropout spacing and Cannondales BB30Ai frames. off-road.cc is dedicated to bringing you the best coverage of all off-road riding, Our sister site for road bikes road.cc Some may not notice lazy rear derailleur shifting, extra chain noise, or a reduction in braking power. BOOST is the standard wheel and drivetrain specification that opens the opportunity for improved frame geometry with shorter chain stays, wider and stiffer suspension pivots, wider range of chainring options, as well as more clearance for bigger tires and wider, stiffer wheels. Different length spindles can be used depending on the frame/bottom bracket configuration. Many bike manufacturers will select aluminum cranks over carbon for this very reason. DUB technologys spindle design and bottom bracket provides a uniform approach to fitment, better sealing and forward and backward compatibility. The SRAM Eagle 12-speed chains are cross compatible with one another the only variance between them is weight and material. There is another, more subtle, incompatibility that affects different brands of hubs and wheels, but it will only have an impact on those riders using multiple wheelsets. Thanks! For those contemplating a piecemeal upgrade from 10-to 11-speed, there may be no need to replace the derailleurs, at least for SRAM mechanical groupsets. ABLC (Aerodynamic Boundary Layer Control), Zipp End Cap Compatibility Chart Franais, DUB: Choose a Road Bottom Bracket Compatibility Map, MTB and Road Hydraulic Disc Brake Lever and Caliper Compatibility. See SRAM'sPrivacy Policyfor a detailed explanation of how your personal data is used. No idea exactly which models do and dont fit though. There are also differences in fluid transfer from the master cylinders, hose specifications, and fittings that will further complicate mating one brand to another. Italian. Buyers are free to use a SRAM chain and cassette with their Shimano groupset, and vice versa, just as a SRAM chain can be paired with a Shimano cassette, and vice versa. 0000015649 00000 n
By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. The XX1 gets the lightest CNCd SL version of the X-Sync 2 ring and the X01 gets a CNCd ring. SRAMs GXP is a 24mm spindle that tapers to 22mm on the left crank. MIP Model with relaxed integer constraints takes longer to solve than normal model, why? Thus, it is not compatible with any cassettes from either of those companies, or SRAMs conventional road cassettes. Sram crankset compatibility - Bicycles Stack Exchange Shimano specifies a 24mm diameter spindle. Thats because there is generally very little interchangeability between groupset components, but there are some exceptions. Now all current wheels, hubs, and bikes fitted with Shimano/SRAM are 11-speed-ready, but for those riders than have yet to upgrade from nine- or 10-speed groupsets, it remains an important consideration if their wheels hark from the same era. The SRAM AXS Battery offers approximately 20 hours of ride time or more, weighs just 25g and is detachable with a single clip. Its where stiffness meets durability. > Buy now: SRAM NX Eagle 12 Speed Mountain Bike Groupsetfrom Chainreactioncyclesfor259.99, > Buy now: SRAM GX Eagle 12 Sp DUB Drivetrain GroupsetfromChainreactioncycles for 411.75. 0000019983 00000 n
And for riders who are sensitive to budget, the issue of additional upgrade costs, such as an XD driver, could make a case for NX, as their value 1x12 drivetrain choice is a given. AXS COMPONENT COMPATIBILITY ELECTRONIC COMPATIBILITY Choose your Primary Component(s), Optional System Component(s), and the System Controller(s) for a customized bicycle experience. Always make sure that the chain is compatible with your cassette and rear derailleur. Differences in price are accounted for not only by the construction of the crank arms but also the chainrings. Would there be any benefit to standardising the design of groupsets? One need only look at how long it has taken the UCI to contend with the prospect of professional riders using disc brakes in road events to understand how much of an obstacle a system of standards can be. * Eagle cranksets are compatible with 11 speed SRAM chains when used in a 1x11 system. 0000022205 00000 n
Learn more about Stack Overflow the company, and our products. The AXS App is only needed for further personalization or to gain access to the data the system has accumulated. Variation in hub spacing has a more profound effect on disc brakes, where even very minor differences (<0.5mm) in the position of the rotor can ruin its alignment with the calliper. The SRM is available in both standard and Boost configurations, features +/- 1.0% accuracy, a 2-year warranty and can fit rings as small as 30T. Find the details here. Perhaps there will come a time when there will be widespread compatibility amongst components, but for now, consumers will have to continue to wrestle with the intricacies of groupset compatibilities. > Buy now: SRAM NX Eagle PG1230 Cassette - 12 Speedfrom Merlin Cyclefor 69.95 It is worth noting that there are different fittings for rim callipers on road bikes that dictate what kind of brake can be used. Campagnolo has always adhered to its own distinct specifications for its chains and cassettes, including a unique spline pattern for the cassette. Save 25% + DMR Trail Gloves + DeathGrips when you subscribe to MBUK magazine, *Spring Savings* Try 6 issues of Cycling Plus for just 9.99 | Save 74% today. If you are installing the new wider range 10-52t cassette on an Eagle AXS rear derailleur, you need to get the new SRAM B-tension Chain Gap Tool. 11-speed). As for aftermarket brakes, there is very little information that is readily available on their performance with different levers; generally, theyre designed with some sort of compromise so as to accommodate all levers with varying degrees of performance. SRAM 11 speed Apex derailleur w/ SRAM GX 10-42t cassette. I also recently spent about $50 on titanium bolts for the brakes, stem, pivot bolts, etc. All material Farrelly Atkinson (F-At) Limited, Unit 7b Green Park Station BA1 1JB. If you compare the SRAM NX and GX rear derailleurs, the latter has more structural stiffness, which allows it to be configured with closer shifting tolerances. 0000040508 00000 n
SRAM GXP Cranksets: An Engineering Guide - Hambini Engineering Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. Here are the results of GX Aluminum vs. GX Carbon: GX Aluminum, 170 mm, no chainring = 540 grams Which ended up costing me about $5 per gram yeah. Please see our 24.07 x 37 bearing for use with these cranks. DUB technology features a uniform approach to bottom bracket fitment, better sealing against contamination and is forward and backward compatible, choosing a selection results in a full page refresh. - CR8986 - RaceFace Large TruVativ Mountain: I have a SRAM MTB crankset. What power meter can I use? With proven AXS wireless technology and the rugged durability of GX, its Eagle at its best. The SRAM Battery Cover adds a stylish, protective cowling around your battery to ensure it stays safe and protected from impacts. Then use the chart below to help identify key crankset dimensions needed to select the correct bottom bracket for your frame. Shimanos Dura-Ace and Ultegra Di2 components are highly interchangeable provided they all bear the companys e-tube technology (the one exception being the original Dura-Ace 7970 groupset, which uses a unique wiring harness). What differentiates living as mere roommates from living in a marriage-like relationship? Sram AXS crank compatibility - The Riding Gravel Forum SRAM GX Eagle Crankset - 170mm, 12-Speed, 32t, Direct Mount, DUB Spindle Interface, Lunar, 49mm Chainline . Delivering consistent performance with a light, stiff and durable design, the SRAM Carbon GX Eagle crankset is engineered to give complete chain control to riders pushing the limit. Yes, if youre a fan of a particular bottom bracket (Chris Kings alleged indestructibility, Hopes fancy colours) you might be disappointed, but otherwise we dont have a huge issue with SRAMs DUB idea. It does seem weird but I did not touch it for a year and it works fine. Connect and share knowledge within a single location that is structured and easy to search. What incompatibilities or surprising compatibilities have you come across when building or upgrading your bike? When not riding he can be found at the climbing wall, in his garden or cooking up culinary delights. The original crankset is described by Specialized as: Specialized Stout XC, 2-piece 2x10, 24mm spindle, anti-corrosion Featuring an expanded 520% range, seamless compatibility with the rest of the ecosystem, and the ability to customize with the AXS app, GX Eagle AXS is your entry point to the future. The difference is 36%, which is massive, and this difference in cassette weight is probably the most notable specification differentiator between NX and GX. FSA, Rotor, Praxis, etc.). The chain must also be long enough to accommodate the extra teeth without hanging slack on the bike when the smaller sprockets are used with the small chainring. All the cranks will be available in 170mm and 175mm versions, with the GX Eagle cranks also getting a 165mm option. The GX aluminum equivalent retails for $135. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Compatible with Shimano, FSA, Gaint (Red) : . Cannondale crank for use in BB30A or PF30A frames. Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more. While cynics may be quick to dismiss much of the resulting incompatibility as a marketing ploy to enforce a certain amount of brand loyalty, it has generated a pleasing array of unique and distinctive products. Our Flattop chains are designed for 12-speed AXS road use only. I also cannot find any measurements for the spindle length of DUB cranksets which is frustrating. And therefore, a slightly larger weight discrepancy between NX and GX derailleurs can be tolerated. Either you have JavaScript disabled or your browser does not support JavaScript. Converting an SRAM Apex 2x10 to 1x10. While other bottom brackets arent compatible with the cranks when you buy a new crank, the majority of us will also get a new bottom bracket to go with it, so in fairness to SRAM, how much of an issue will this actually be? See SRAM'sPrivacy Policyfor a detailed explanation of how your personal data is used. Already have an account with us? The same shifting logic from the rear of your bike applies to its handlebars. SRAM Apex 1x crank supports 44, 43 and 40 tooth rings. For those using road disc brakes, hydraulic levers and callipers from Shimano, SRAM, and Campagnolo are not interchangeable. GX Eagle DUB Crankset | FC-GX-1-C1 | SRAM It features our X-SYNC 2 tooth profile chainring for complete chain control, and DUB technology for better sealing and endless compatibility. Apparently some FSA cranks 24mm is more like 24.1 or something, and they dont fit very well at all into Shimano BBs. However, the major manufacturers maintain that it is a necessary byproduct of their ongoing R&D efforts. But that's not quite the full basis for comparison if your decision point between NX and GX is founded on the principle of being gram obsessed. The AXS App is the built-in componentry software that makes it possible to connect, monitor andpersonalize AXS enabled components from SRAM, RockShox, Zipp andQuarq. PF30 79-A (BBRIGHT) PF30 73-A (Cannondale) T47 85.5. For exclusive emails, discounts, promotions and new product announcements - plus a few surprises. I do still hit my pedals occasionally, but I added the SRAM crank arm boots to ease my paranoia. Both require dedicated fittings on the frame and fork, so they arent interchangeable. Unfortunately, it fits pretty well, except of one minor detail - the shaft seems a bit too long and there is couple mm wiggle space left when I install the left crank. A quick straw-poll of the office suggests that none of us has ever had any particular issues with SRAMs bottom brackets, and if its claims that the sealing is improved are true, then we see no reason for this to change to be for the worse. With that said, the incompatibility is not so profound as to render the gears useless, so the mismatch is more than acceptable as an emergency replacement and short-term use. Shop all SRAM. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. 12 out of 16 found this helpful Related articles SRAM NX Eagle crankset with 30t chainring specifications The finish on the cranks began to wear after just one ride. 0000013660 00000 n
The new axles are a smidge under 29mm (28.99mm, to be precise) in diameter, increasing stiffness over previous 24mm spindles. Components that rotate have a greater influence on your riding efficiency and fatigue than components that remain in a relatively fixed position, once fitted. Shimanos two-bolt direct-mount system has become a common sight on aero road bikes, but there is another two-bolt direct mount system developed by TRP that pre-dates Shimanos design, that can be found on some TT bikes (eg. According to manufacturer recommendations, the maximum sprocket size for short-cage rear derailleurs is typically 28T (Shimano/SRAM) or 29T (Campagnolo), while mid-cage derailleurs can accommodate sprockets up to 32T. 0000028175 00000 n
Used in both BB30 and PF30 bottom bracket shells. Designed to work in frames shell width from 68mm to 92mm. Direct mount interface compatible with chainrings across the entire Eagle Ecosystem. Tom Marvin is a technical editor at BikeRadar.com and MBUK magazine. For those that own Mavic wheels, there wont be any need to replace the wheels since the companys 10-speed Shimano/SRAM freehub bodies were always longer than they needed to be at the time, and thus happened to be 11-speed-ready. JavaScript seems to be disabled in your browser. Signature GX colorway as part of Eagle Colorsystem - pairs with all cassettes and chains, from Black to Gold to Rainbow to HardChrome and all-new Copper. The introduction of eight-speed systems depended on an increase in rear hub width from 126mm to 130mm to accommodate the extra sprocket. In many instances, it is possible to mix different levels of shifters and derailleurs from the same brand (e.g. In its press release, it claims that the RaceFace Next SL G4 crank (arguably the XC. How to apply a texture to a bezier curve? Of course, some fancy DUB drift tools will be made, but they arent necessarily required. I have a bike with SRAM s350 172.5mm 40T chainset, SRAM GXP 68mm BB and 12x142mm through axle rear hub, which should make my chainline 49mm. SRAM claims that the combined weight of an XX1 crank (175mm, 32t ring) plus bottom bracket is 498 grams. It offers an industrial based bearing arrangement and was touted as having the lowest weight and rolling resistance of any crankset bottom bracket standard. While ideas such as Boost width hubs require frame manufacturers to re-design the back-end of their frames, save for Super Boost and Cannondales BB30Ai BB shells, SRAM reckons it has a bottom bracket to suit every frame. Ten-speed chains are significantly wider than 11-speed chains, which, when coupled with narrower sprocket spacing for 11-speeed cassettes, will result in more noise, regardless of the brands involved. Cable tension is critical for accuracy, but the geometry of the derailleur and the sprocket spacing must match the indexed cable pull, otherwise the derailleur will not align with each sprocket. Chain Compatibility - BikeTiresDirect 556 Designed to work in frames shell width from 68mm to 86.5mm. Compatibility - SRAM With a focus on long wear-life, the X-SYNC 2 Eagle design reduces friction and the accumulation of mud, grit and grime. Its this approach to developing a complete system that equals better drivetrain performance. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Checking battery life is easy: green light means its at or close to full charge. Abbey tools are drool-worthy and its made a special DUB tool (regular tools can also be used), The system for crank fitment has been refined (prototype cranks), Improving the interface between the spindle and crank arm aids stiffness (prototype crank), The SRAM Descendant crank for enduro riders. It seems that some of the highest end SRAM Eagle cranksets (specifically XX1) have options that accommodate the Cannondale offset, but I'm not seeing that for the less expensive GX. When SRAMs Eagle groupsets were released, it probably knew its cranks werent the best out there (as good as they were), and this is why its developed DUB.