The spindle type, which is where you ran into trouble. NOTE: FSA MegaEXO crank spindle diameters can be as large as 24.07mm. About Me: Been riding bikes my whole life. 0000010387 00000 n AXSwebisdesigned to analyze shifting, gear use, power zones and tire pressure. I dont know if theres a substantive reason for this, or if its just to avoid any patents that Shimano had on its Hollowtech II system. Cheap little C-shaped ring with 22mm ID and 24mm OD. 3-piece crankset with separate, replaceable spindle. Like the power2max above, the SRM SRAM Power Meter is a spider-based power meter that fits SRAM MTB cranksets that use the 3-bolt interface (pictured above). For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Hi, I wanted to upgrade my crankset for my rockhopper expert 1x to a sram eagle gx crank with a dub english 73mm bb as they are a matched pair. pdf 145 KB: Identifizierung Von Bremsbelgen Fr Sram-/Avid-Scheibenbremsen: Deutsch. You can obviously look further into compatibility on the SRAM site. It features our X-SYNC 2 tooth profile chainring for complete chain control, and DUB technology for better sealing and endless compatibility. For those hoping to use an even larger sprocket, Wolf Tooths Road Link can increase the clearance of a mid-cage derailleur to accommodate sprockets as as large as 40T. Current Shimnao crank specification. All the cranks will be available in 170mm and 175mm versions, with the GX Eagle cranks also getting a 165mm option. 0000032315 00000 n So when I graduated from GX Aluminum to these new GX Carbon crank arms, I was excited to see if I could feel a difference. Was this article helpful? It is worth noting that there are different fittings for rim callipers on road bikes that dictate what kind of brake can be used. This will not only ensure crisp shifting across the full cassette range, but may also prevent damage from a chain that derails into the spokes or frame. The difference is 36%, which is massive, and this difference in cassette weight is probably the most notable specification differentiator between NX and GX. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. When SRAM introduced its 111 drivetrain for MTB in 2012, it was accompanied by XD, a new freehub body and cassette design. SRAM GX Eagle 12spd drivetrain first ride, Your complete guide to SRAM MTB drivetrains: XX1, X01, X0, X1, Eagle GX, NX, EX1 and AXS groupsets, > Buy now: SRAM GX Crankset for 12-Speed Cassettesfrom eBayfor 130.68, > Buy now: SRAM NX Eagle PG1230 Cassette - 12 Speedfrom Merlin Cyclefor 69.95, Spy shot: New SRAM rear mech spotted on Nino Schurter's bike, UCI MTB World Championships 2022: Behind the scenes with Team GBR's mechanics, Which freehub body do I need? 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. 2023 Wheels Manufacturing, LLC. Connect and share knowledge within a single location that is structured and easy to search. In the alternative scenario, an 11-speed chain is less likely to cause problems with a 10-speed cassette; indeed, some anecdotal reports actually suggest a reduction in noise. Shimanos flat-mount callipers use a different pad from its older post-mount callipers), so buyers need to know the brand and model of calliper when shopping for new pads. 0000031702 00000 n Either you have JavaScript disabled or your browser does not support JavaScript. 29mm diameter spindles. designed to analyze shifting, gear use, power zones and tire pressure. In contrast, Dura-Ace 9000 and 9100 shifters and derailleurs are interchangeable. Its goal is to have the best product available for a given application. As rotational components, any grams saved with a lighter cassette or crankset make a difference you can feel when riding. With over 150 miles of riding, I can say these were worth it. 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. trailer Thanks to the. Shimano puts . Similar to other 30mm spindle cranks. By quickly disengaging the motor gearbox. 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. English, Deutsch, Espaol, Franais, Italiano. Scroll to bottom of page for photos of each crank type. At this stage, SRAM has yet to release an XDR cassette but it seems likely that it will serve a 112 transmission specifically designed for road use. For riders who dont want to bother with the issue (and cost) of upgrading drivers on their rear hub, NX wins. Dura-Ace/Ultegra/105; Red/Force/Rival; Super Record/Record/Chorus), however its not safe to assume that this will always be the case. Some of the shifter feel difference between NX and GX is attributable to material choice, with the cheaper NX shifters being plastic, with some metal within the GX shifters structure. 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. Thus the AXS chainrings are not compatible with any chain other than the AXS flat top chain. Remove all crank spacers and wave washer if present. 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. Thanks! It can be mounted on a cheaper and more accessibleHG freehub, without requiring a SRAM XD driver upgrade, as is the case with GX. SRAM X-SYNC 2 Eagle is the next evolution of SRAM X-SYNC technology. In contrast, attempting to mix 10- and 11-speed chains and cassettes from any brand is likely to cause more noticeable problems. With a focus on long wear-life, the X-SYNC 2 Eagle design reduces friction and the accumulation of mud, grit and grime. Found a better price? Select CSV file that contains : Product SKU and Quantity to add to cart. While these differences may frustrate some buyers, it makes for a wider range of products to choose from, which is likely to suit thrifty shoppers and riders that enjoy experimenting with their equipment. Mixing and matching cranksets and bottom brackets is a completely different matter that depends upon the specifications for the frame and the crank axle. The NX rear derailleur is 340g, compared to a GXs rear mech weighing in at 290g. Lets look at the value in another way. Asking for help, clarification, or responding to other answers. Making statements based on opinion; back them up with references or personal experience. Here are the results of GX Aluminum vs. GX Carbon: GX Aluminum, 170 mm, no chainring = 540 grams Your browser does not support all of our websites functionality. How this incompatibility affects the brakes, and the drivetrain must also be considered since the latter is a critical component of your crankset. As a result, Shimanos newest brake/shifter levers arent well suited to SRAM or Campagnolo brake callipers, and vice versa, or even earlier versions of its own dual-pivot callipers (e.g. As the brains behind the operation, each brands shifters (mechanical and electronic) must be matched with its own derailleurs in order for the indexed system to function properly. To work properly, this page requires JavaScript to be enabled or to use the most recent versions of Google Chrome, Safari, or Firefox. The introduction of eight-speed systems depended on an increase in rear hub width from 126mm to 130mm to accommodate the extra sprocket. 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. Bearings have been moved around in places to make room for the cranks increased diameter spindle, but thats it. The Cranks of the SRAM GX are also constructed with an alloy chainring (the NX Is made of steel). Edit: I have found here that the Shimano and Sram Threaded BBs differ. Such restrictions arent limited to shifters and derailleurs, either; they can also affect the rest of the drivetrain as well as the brakes. I don't know if there's a substantive reason for this, or if it's just to avoid any patents that Shimano had on its Hollowtech II system. Can I use an Eagle chain with the XPLR direct mount chainring? Any bit of weight you can take away from the spinning mass on your bike; drivetrain, wheels, tires youll feel it. Tom has written for BikeRadar, MBUK and Cycling Plus, and was previously technical editor of What Mountain Bike magazine. off-road.cc Editorial and general enquiries: info@off-road.cc 0000041946 00000 n Tom Marvin is a technical editor at BikeRadar.com and MBUK magazine. Weve not gleaned that from a press release, but from years of talking to their engineers and product managers, its just how SRAM operates. In contrast, there was no such need for Campagnolos 11-speed cassettes since there was no change in the overall width. hb``Pa``= [P30p,``4@Ub{?bU;6|8%S^zFI vS< Ym`OtjXtcX cd`X 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. SRAM. On SRAM site I see that Force 1 and GX-1000 crankset should fit, but I have 2 (actually 3) questions: All thats needed to get riding is to mount the GX Eagle AXS drivetrain, pair and get out there. Hi, I ended up buying the FSA Comet Megaexo Modular Crankset 2X. I do not feel it squeezes the bearings and neither does it wiggle. SRAMs XD freehub body is only compatible with its XD cassettes, however owners are free to use any 11-speed chain with the cassette. Rotational weight matters more than sprung weight. GX EAGLE CHAIN Designed with SRAM's Eagle geometry, the GX Eagle chain features solid pin construction, Eagle PowerLock and smooth, efficient shifting that you can count on every time out. Keep reading to learn the differences and understand which drivetrain is best for the type of riding you enjoy. Indeed, it is now possible to mix and match 11-speed chains and cassettes from all three manufacturers with satisfactory results in most instances. Pre-order the Official Tour De France Race Guide 2023. They cannot even be used with the 12 speed Eagle chain. For the best experience on our site, be sure to turn on Javascript in your browser. Rather than work to a common standard, Shimano, Campagnolo, and SRAM have all developed their own specifications for their indexed gear systems. 0 SRAM GXP crank partially stuck in bottom bracket. While the demands for the chain and cassette are fairly stringent, chainrings (and cranksets) are far more forgiving, so it is possible to mix brands as well as 10- and 11-speed versions without having an impact on the quality of shifting. However, the major manufacturers maintain that it is a necessary byproduct of their ongoing R&D efforts. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. SRAM doesn't provide a BB92 compatible BB/crankset because they simply don't care about the standard. The cover is also compatible with our existing XX1 and X01 EagleAXSderailleurs. . And it only takes an hour to charge. It features our X-SYNC 2 tooth profile chainring for complete chain control, and DUB technology for better sealing and endless compatibility. Part of the reason for this is that SRAM uses DOT 5.1 fluid for its disc brakes while Shimano and Campagnolo use mineral oil. RockShox Recon Gold RL Solo Air Forks - Boost - Matte Black - 140mm, Matte Black, Maxxis Aggressor MTB Wide Trail Tyre (EXO-TR) - Black - Folding Bead, Black, Five Ten Impact Pro MTB Shoes - Core Black - UK 7.5}, Core Black, Bell Sixer MIPS Helmet - Matte Black 20 - M}, Matte Black 20, DT Swiss EX 1501 SP 30mm Rear Wheel - Black - 142mm SRAM XD, Black, Giro Chamber II Off Road Shoes - EU 46 Dark Shadow/Black 20, Endura Hummvee Reversible Flipjak Jacket - Black - S}, Black, Schwalbe Magic Mary Evo Super Trail MTB Tyre - Black - 29", Black, Bell Super Air R Full Face Helmet - Matte Gloss Red-Grey 20, Matte Gloss Red-Grey 20, Hope EVO Mountain Bike Crankset (Spiderless) - Black - 68-73mm}, Black, Our round-up of the very best tech stories of the week, And a look back at this week's best stories. 0000033670 00000 n rev2023.5.1.43404. 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. perhaps spacers are used on the axle. In contrast, front derailleurs from each of these groupsets are all interchangeable. Engineered to mirror our podium topping XX1 and X01 Eagle AXSderailleurs, the new SRAM GX Eagle AXS derailleur comes from the same bloodline, featuring the rugged dependability youve come to expect from our GX Eagle drivetrains. I need to replace the crankset on my Specialized Rockhopper 29 Expert (year 2017) due to damage. SRAM and Shimano 9, 10, 11 and 12-speed MTB setups explained, YT's Jeffsy Primus 27 and Saracen's Levarg gravel bike, Pads from Discobrakes, Hutchinson's 2.4in Kraken and more, Saracen reintroduces the Levarg and adds a flat-bar option, Best cycling computers 2023 - top options for mountain biker. It has been almost a year - are you able to provide an update on progress ? See SRAM'sPrivacy Policyfor a detailed explanation of how your personal data is used. Components that rotate have a greater influence on your riding efficiency and fatigue than components that remain in a relatively fixed position, once fitted. Not sure how it was intended to work because the tolerances for that are pretty small. pdf 126 KB: MTB Hub/Fork/Wheel/End Cap Compatibilty : RockShox, SRAM. 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. The weight savings is noticeable, especially when it comes to your drivetrain. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. It only takes a minute to sign up. We seriously love what we do, and seriously love bikes. And therefore, a slightly larger weight discrepancy between NX and GX derailleurs can be tolerated. Thanks for contributing an answer to Bicycles Stack Exchange! Apparently some FSA cranks 24mm is more like 24.1 or something, and they dont fit very well at all into Shimano BBs. Campagnolo has always adhered to its own distinct specifications for its chains and cassettes, including a unique spline pattern for the cassette. Our incredibly resilient Overload Clutch design allows the derailleur to sense impact and safeguard against potential damage. At $275 American dollars, this isnt the most expensive component on your bike. The SRAM NX drivetrain is a superb offering for those wanting to access 12-speed performance for less money and the headache that comes with upgrading rear hub driver bodies. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Or would my money have been better spent elsewhere? Compatibility - SRAM Compatibility Rival, Force, Red eTap AXS What type of freehub body is required for SRAM RED and Force eTap AXS road cassettes? With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs. The new axles are a smidge under 29mm (28.99mm, to be precise) in diameter, increasing stiffness over previous 24mm spindles. Each brand of disc brakes also employs its own brake pad shape so its not possible to swap the pads from one brand to another. The NX cassette might be much heavier, with a slightly tapered gearing range, but it does offer fantastic component convergence. View the SRAM Eagle Product Line View all SRAM Bike Cranksets. 0000028291 00000 n SRAMs engineered the NX rear derailleur to only work with cassettes up to 50T. Consumers would find it easier to replace any part at short notice, retailers would be able to offer more options to their customers, and service centres would be able to attend to all repairs and servicing in a timely manner rather than being forced to wait on the delivery of proprietary parts. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? Splined interface much like Shimano HollowTech II. Ease of Use. Your entry point to the future. 2021 SRAM GX Eagle 12-speed groupset details The new cassette is the biggest news here, which uses 123 stainless steel pins to hold the cogs (11 steel and one aluminium) together. The benchmark for drivetrain performance, the SRAM GX Eagle Boost Crankset delivers maximum simplicity, durability, and compatibility. Every other combination that falls in between these two extremes will be considered variable. PC GX Eagle** PC NX Eagle** PC SX Eagle** Crankset Model Bottom Bracket Options DUB PF30 DUB BB30 DUB PF89.5/92 DUB BSA Power Spline 1x12 XX1 Eagle . While Campagnolos current Super Record, Record, Chorus, and Potenza mechanical groupsets are all 11-speed, a Potenza rear derailleur will not pair well with Super Record, Record, or Chorus shifters. The SRAM Eagle 12-speed chains are cross compatible with one another the only variance between them is weight and material. 0000039867 00000 n After that, the width and spacing of the sprockets was reduced to allow more sprockets to be added. Both require dedicated fittings on the frame and fork, so they arent interchangeable. 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. According to manufacturer recommendations, the capacity of a short-cage rear derailleur is 33-34T, and this increases to 37T for mid-cage versions. SRAM isn't lying; the full complement of new Red shift components (shifter, front derailleur, crankset and chainrings) provides the best performance. Specialized Shiv). The cost difference between NX and GX is not insignificant. The latter explains why a Shimano or SRAM cassette cannot be fitted to a wheel with a Campagnolo freehub body (and vice versa, save for Edcos unique freehub body design, which will accommodate both). Up until that point, a 10T sprocket was simply too small to fit to a standard freehub body. Its this approach to developing a complete system that equals better drivetrain performance. Right at the top end, this means cranks that are both stiff, light and durable. But feel I've only been a true Mountain Biker since 2012. The brake pads designed to fit one type will not fit the other. It is the difference in the latter that will produce a noticeable difference in shift quality for 10-speed transmissions, which is why a wheel fitted with a Campagnolo cassette performs poorly (lazy upshifts, extra chain noise) with a bike running a Shimano or SRAM groupset, and vice versa. 0000009874 00000 n As a general concept, then, there is very little interchangeability amongst groupset components, which is something any shopper should keep in mind when selecting the parts for a custom road bike build. 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. The XX1 gets the lightest CNCd SL version of the X-Sync 2 ring and the X01 gets a CNCd ring. Forriders who prioritize all day function over anything else. For exclusive emails, discounts, promotions and new product announcements - plus a few surprises. Similarly, an 11-speed crankset will readily mesh with a 10-speed transmission. Some riders test their limits more than others. The new system provided very accurate shifting, but it depended upon precise compatibility of the shifter with the derailleurs and drivetrain. Youve got to admire SRAMs drive when it comes to product development. Material(s . 0000013041 00000 n Crank spindle is pressed into the drive side crank arm. See our article Bottom brackets, crank axles and bearings: Your guide to a compatible fit for more information on this topic. 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. 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. Either you have JavaScript disabled or your browser does not support JavaScript. The chain gap will need to be adjusted in . Thus, while it is physically possible to operate one brand of derailleurs with another brand of shifters, the quality of shifting will be greatly compromised. Each tooth's thickness is toleranced and controlled to work seamlessly with the chain's inner and outer links. Advertising and commercial: sales@off-road.cc, Mountain bike, bikepackingand gravel bikes. This is not something crank manufacturers recommend, though, with some pointing to a difference in the spacing of the chainrings as a potential problem, however the weight of anecdotal evidence clearly suggests otherwise. By quickly disengaging the motor gearbox, the derailleur has freedom to move out of harm's way, before instantly returning to its position for a seamless experience for the rider. Shimanos chains and cassettes are typically smoother and quieter than SRAMs offerings, and durability can differ between the two brands as well as the different levels of components. Note: this crankset is compatible with BB30 bottom brackets. The GX Eagle crank is alloy. At face value, it may be tempting to ignore the front derailleur; however, the latest mechanical shifters from each brand have a new pull-ratio to suit long-arm front derailleurs that wont suit earlier short-arm versions. With more than twenty years of mountain biking experience, and nearly a decade of testing mountain and gravel bikes, Tom has ridden and tested thousands of bikes and products, from super-light XC race bikes through to the most powerful brakes on the market. First identify your frame's Bottom Bracket Standard. The SRAM NX cassette specification is 11-50T, calculating to a range of 454%. SRAM claims that the DUB system allows for the lightest cranks possible, which are also strong, while the new BBs add durability the XX1 version drops a relatively whopping 80 grams from the previous version. Its a physical constraint based on the geometry of the derailleur and the amount of clearance between the upper jockey wheel and the sprockets. Within the SRAMs mountain bike crankset hierarchy, GX is only 10% lighter than NX, but when you place those cassettes on a digital scale, the product grading becomes very obvious. 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. At present, it appears Campagnolo and SRAM road brake levers enjoy greater compatibility with at least one brand than Shimanos latest design (eg. This makes for an amount of enforced redundancy, much to the displeasure of at least some buyers. In its press release, it claims that the RaceFace Next SL G4 crank (arguably the XC. The aggressive teeth design provides better chain retention for a smoother, more efficient pedal feel. BB30 73-A (Cannondale) BB386. Of course, some fancy DUB drift tools will be made, but they arent necessarily required. Your crankset is the part of the bike that makes your pedaling move your bike chain and, subsequently, turns your bike's rear wheel. Bearings are pressed into the bottom bracket cups. FC-GX-1-C1 Features Our best aluminum crankset. Nevertheless, 11-speed shifter-and-derailleur combinations from both eras are equally compatible with any 11-speed chain and cassette. Does the 500-table limit still apply to the latest version of Cassandra? 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. In addition, Campagnolos chains differ from Shimano/SRAM in overall width, and the company uses variable spacing for its sprockets (Shimano/SRAM cassettes have uniform spacing). Most adjusters found on 29mm & 30mm dia spindles can be removed to gain additional overall spindle length. At 170 mm in length, these SRAM Dub Boost cranks slotted right into my drivetrain replacing the aluminum versions. Id say if youre trying to decide between oil slicking everything on your bike, or looking for an economical weight savings component, these cranks should be on the shortlist of upgrades. All you need is a Shimano to GXP adaptor. Parabolic, suborbital and ballistic trajectories all follow elliptic paths. Sign in to manage your newsletter preferences. In some instances, shims can be added to the rear axle to achieve perfect interchangeability, however there are many brands of hubs where this is not possible. New axle diameter and bottom brackets that should fit any bike on the market. . 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. . Installation. For those riders with 10-speed Shimano groupsets (except Tiagra 4700), the shifters can be paired with the companys 9-speed MTB rear derailleurs to accommodate larger rear sprockets (in some cases, up to 40T) while enjoying perfectly indexed shifting. Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more. The frame must comply with the Frame Fit Specifications for the components used. It does seem weird but I did not touch it for a year and it works fine.
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sram gx crankset compatibility 2023