sram gx crankset compatibility

off-road.cc is dedicated to bringing you the best coverage of all off-road riding, Our sister site for road bikes road.cc 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. 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. Thanks for contributing an answer to Bicycles Stack Exchange! Was this article helpful? > Buy now: SRAM NX Eagle PG1230 Cassette - 12 Speedfrom Merlin Cyclefor 69.95 SRAM. 0000001536 00000 n With a focus on long wear-life, the X-SYNC 2 Eagle design reduces friction and the accumulation of mud, grit and grime. Many press fit BBs are made to take 30mm axles, but 30mm axles are less common in threaded BBs (but it is possible, and BBs are made for that purpose). Making statements based on opinion; back them up with references or personal experience. Cranksets can often be overlooked on a bike build, and budget options get selected. Reasonable sealing performance with lifespan that exceeds claims. Owners need only replace the shifters and fit an 11-speed chain and cassette, and the hybrid system will perform much like a complete 11-speed groupset. But there are other issues to consider, too, when comparing NX to GX. For an improved shopping experience, we recommend that you use the most recent versions of Google Chrome, Safari, or Firefox. Spindle is permanently attached to the drive-side crank arm. 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. Our Flattop chains are designed for 12-speed AXS road use only. With an expanded, 520-percent gear range giving riders more ability to spin and recover on the burliest climbs, Does your derailleur protect itself? At face value, the distinction between compatible and incompatible parts should be an easy one to make, however there are a range of views. For the purposes of this article, I recognise three levels of compatibility: go, no-go, and variable. Service. Hes also worked out that shaving your legs saves 8 watts, while testing aerodynamics in a wind tunnel. For many years, road brake levers from each of the major manufacturers offered cable pull ratios that were sufficiently similar that it was possible to pair any brand of rim callipers with any brand of brake levers with good success. He has a weakness for British steel hardtails, especially those which only run a single gear. Tom Marvin is a technical editor at BikeRadar.com and MBUK magazine. The best aluminum crankset we make, engineered to deliver consistent performance every ride. I need to replace the crankset on my Specialized Rockhopper 29 Expert (year 2017) due to damage. Failing that, it may be possible to machine the existing freehub body and/or the cassette (an extra 1.8mm is all thats required); otherwise, the Shimano/SRAM freehub body can be replaced with a Campagnolo version (if available), remembering that Campagnolos 11-speed cassettes will perform well with Shimanos and SRAMs 11-speed transmissions. No huge surprise there, though. Be that as it may, it is possible to ignore this capacity and use a larger sprocket without changing the length of the chain so long as the rider is prepared to avoid cross-chaining when using the big chainring (albeit with potentially dire consequences if you forget). But what are the sacrifices when choosing the affordability of NX over GX Eagle? The SRAM NX cassette specification is 11-50T, calculating to a range of 454%. SRAM Apex 1x crank supports 44, 43 and 40 tooth rings. Either you have JavaScript disabled or your browser does not support JavaScript. 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. 2. 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. Not only is the NX Eagle cassette a lot heavier than a comparable GX Eagle set of 12 stacked cogs, but it has less range, too. After that, the width and spacing of the sprockets was reduced to allow more sprockets to be added. First identify your frame's Bottom Bracket Standard. Can I mix SRAM Eagle AXS Transmission components with Eagle Drivetrain components? Has the cause of a rocket failure ever been mis-identified, such that another launch failed due to the same problem? Any combination that is a go will consistently deliver a high level of performance, in keeping with the view of the manufacturers, while no-go will signify an incompatibility where there is an obvious shortcoming in the operation and/or performance of the system. There was a time when cyclists were free to mix and match transmission components, but that all changed when Shimano introduced indexed gear shifting in 1984. 982 0 obj <> endobj > 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. SRAM's GXP is a 24mm spindle that tapers to 22mm on the left crank. The installation process is the same as before, with a bearing preload adjuster to take up the slack. Forriders who prioritize all day function over anything else. Its a physical constraint based on the geometry of the derailleur and the amount of clearance between the upper jockey wheel and the sprockets. Time will tell how the cranks actually perform, but well be getting our hands on a set very soon, so will update you with a full review once weve put them through their paces. Bearings are pressed onto the spindle next to each crank arm instead of pressed into the bottom bracket cups. 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. All Rights Reserved. To work properly, this page requires JavaScript to be enabled or to use the most recent versions of Google Chrome, Safari, or Firefox. 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. 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. The XX1 and X01 cranks get a Tuned carbon construction (extra lightweight and stiff) with the XX1 version getting the SL chainring. I do not really feel a need to upgrade the 2x10 setup and just want to fix the bike. 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. The difference is 36%, which is massive, and this difference in cassette weight is probably the most notable specification differentiator between NX and GX. The new GX Eagle AXS derailleur and shifter are compatible with any other, current SRAM Eagle chains, chainrings, cassettes and cranks. Carbon is also marketed as providing increased stiffness, but I didnt notice this. Of course, some fancy DUB drift tools will be made, but they arent necessarily required. If you are not sure about compatibility, we have you covered with our compatibility chart. 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. Like other Eagle groups, it gets its own group master colorway as part of our new Eagle Colorsystem, allowing for full group or fully curated builds. 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. By submitting this form, you consent to the processing of the above information in the U.S. by SRAM LLC. The bottom bracket has been designed with an extra layer of sealing, as well as tighter tolerances, and metal construction of the bottom bracket. 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. 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. Thus, cranks from Shimano, SRAM, and Campagnolo are freely interchangeable along with those from all aftermarket brands (e.g. Up until that point, a 10T sprocket was simply too small to fit to a standard freehub body. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? Chains were narrowed, too, slimming down to 5.50-5.90mm where once they were 7.80mm. Designed with SRAM's Eagle geometry, the GX Eagle chain features solid pin construction, EaglePowerLockand smooth, efficient shifting that you can count on every time out. The SRAM Battery Cover adds a stylish, protective cowling around your battery to ensure it stays safe and protected from impacts. COMET MODULAR CRANKSET work on my bike better then? In the Chainline line on their FD spec charts, sometimes boost compatibility has been delineated as "48.8/51.8" and other times as "48.8*" with an addendum of "* Compatible with the special crankset which chain line is 3 mm outboard." They are two ways of conveying the same information. 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. The SRAM Eagle AXS Transmission chain looks like the SRAM 12-speed Road Flattop chain. Bearings have been moved around in places to make room for the cranks increased diameter spindle, but thats it. Riders can quickly and easily learn more about how their bike is working for them and consider adjustments. When a gnoll vampire assumes its hyena form, do its HP change? The same shifting logic from the rear of your bike applies to its handlebars. The bottom bracket spacer and pedal washers are present as well. These cranks will not work in normal 24x37 bearings. Aside from machining new fittings for the hubs, theres no easy way to address this issue, but sticking to the same brand of hubs/wheels wheels will often do a lot to avoid this situation. 30T for a short-cage derailleur) after adjusting the so-called B screw, but it does depend on the design of the derailleur hanger. Tom has written for BikeRadar, MBUK and Cycling Plus, and was previously technical editor of What Mountain Bike magazine. SRAM's cassettes and chains are compatible with all of Shimano's groupsets, and vice versa. 2. 30mm spindle diameter cranks. AXS unlocks an entirely new way to personalize your shifting experience all controlled via the AXS App. Included is a 32 tooth, 3 mm offset, direct mount chainring that is compatible with all SRAM Eagle Drivetrains; AXS included. We got an early sneak peak of these prototype cranks gun case and all! The difference there is just over 17%. Does your derailleur protect itself? This capacity, which is expressed in terms of teeth, accounts for both the difference in size between both chainrings (e.g. Visit sram.com/service for Frame Fit Specifications. For the sake of simplicity, I wanted to compare just the crank arms (sans chainring) on the scale. Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more. The SRAM GX Eagle AXS upgrade kit provides you with everything you need to make your existing Eagle drivetrain wireless. 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. SRAM GXP crank partially stuck in bottom bracket. The GX Eagle AXS derailleur and shifter are also. Our SRAM RED, Force, and Rival 12-speed cranksets are compatible with the following frame bottom bracket interfaces when used with the appropriate SRAM DUB bottom bracket and spacers: What PowerLock do I use for my Flattop 12-speed chain? Hi, I ended up buying the FSA Comet Megaexo Modular Crankset 2X. The crank slides completely through a 24x37 drive side bearing and stops against a 22x37 non drive side bearing. Thus, it is not compatible with any cassettes from either of those companies, or SRAMs conventional road cassettes. Weve not gleaned that from a press release, but from years of talking to their engineers and product managers, its just how SRAM operates. No idea exactly which models do and dont fit though.
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