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). Asking for help, clarification, or responding to other answers. 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. . > Buy now: SRAM NX Eagle PG1230 Cassette - 12 Speedfrom Merlin Cyclefor 69.95 Why does Acts not mention the deaths of Peter and Paul? 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. Drive side bearing is pressed on the spindle up against the crank arm. Remove all crank spacers and wave washer if present. Alternatively, the chain can be lengthened, but then the rider will have to avoid cross-chaining when using the small chainring, otherwise the extra slack may cause the chain to derail from the chainring. According to manufacturer recommendations, the capacity of a short-cage rear derailleur is 33-34T, and this increases to 37T for mid-cage versions. 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. Shimano 12-Speed MTB Chains The XX1 and X01 cranks get a Tuned carbon construction (extra lightweight and stiff) with the XX1 version getting the SL chainring. It features our X-SYNC 2 tooth profile chainring for complete chain control, and DUB technology for better sealing and endless compatibility. NOTE: FSA MegaEXO crank spindle diameters can be as large as 24.07mm. Learn more about Stack Overflow the company, and our products. 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. Find the details here. SRAM's cassettes and chains are compatible with all of Shimano's groupsets, and vice versa. 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. . 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. And the exact SRAM part number is 00.6118.607.001. 0000039867 00000 n 0000042637 00000 n 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. 0000042981 00000 n It isnt all advantage-GX, though. 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. As rotational components, any grams saved with a lighter cassette or crankset make a difference you can feel when riding. In developing the cranks with the bottom brackets, SRAM has kept the relative position of the bearings a constant between bottom bracket types, as such the BB30 and PF30 bottom brackets now come with external bearings, rather than internal ones. Bearings are pressed onto the spindle next to each crank arm instead of pressed into the bottom bracket cups. Is it compatible with SRAM road 12-speed drivetrains? 71 grams doesnt seem like much, but I could feel it on the steepest of climbs when I was sitting there just spinning. Designed to work in frames shell width from 68mm to 92mm. Similar to other 30mm spindle cranks. Here are the results of GX Aluminum vs. GX Carbon: GX Aluminum, 170 mm, no chainring = 540 grams 0. When determining whether a crank will work with a particular bottom bracket, it is also important to check the bearing landing surface on the crank spindle. Can be used in BB30, PF30, BBRight, 386EVO frames with the appropriate length spindle. All four systems require dedicated frame and fork fittings, and none of them are interchangeable. GX shifters are tauter to the touch, with less play. I also recently spent about $50 on titanium bolts for the brakes, stem, pivot bolts, etc. New kids bike may be small in size but it's big on performance, After a short hiatus the Saracen Levarg is back, The best cycling computers provide navigational prompting, detailed maps and metric tracking to keep you at the top of your game, Drop bars, flat bars and everything else in between, including a Boardman prototype, A closer look at the honeycomb-like inner helmet structure and why it matters to helmet safety. Compatible with Shimano, FSA, Gaint (Red) : . Shimano specifies a 24mm diameter spindle. Would e.g. Please see our 24.07 x 37 bearing for use with these cranks. 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. In contrast, Dura-Ace 9000 and 9100 shifters and derailleurs are interchangeable. Currently trying to take my bike wherever I can ride in conjunction with car road trips. Can my creature spell be countered if I cast a split second spell after it? Your browser does not support all of our websites functionality. There are also differences in fluid transfer from the master cylinders, hose specifications, and fittings that will further complicate mating one brand to another. The aggressive teeth design provides better chain retention for a smoother, more efficient pedal feel. SRAM's GX Eagle workhorse crank with DUB 28.99mm spindle; Works with major BBs: BSA/threaded/English, Press Fit, BB30, PF30; Cranksets can often be overlooked on a bike build, and budget options get selected. 982 0 obj <> endobj The weight savings is noticeable, especially when it comes to your drivetrain. - CR8986 - RaceFace Large or CK4799 - SRAM (Black Only) All Red Models with a slight modification on the pedal spindle hole (front and back) on the boot. The installation process is the same as before, with a bearing preload adjuster to take up the slack. 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. Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. This was my biggest concern; I dont want to sacrifice reliability for a few grams. 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 doesn't provide a BB92 compatible BB/crankset because they simply don't care about the standard. The SRAM GX Eagle AXScontroller offers unparalleled customization: featuring the option to swap paddle shapes, the ability to assign different touchpoints using the SRAM AXS app, and the choice of either the AXS Discrete or tidyMatchMakerX clamps. As a result, there is not much forwards or backwards compatibility, even within the same brand. The SRAM Battery Cover adds a stylish, protective cowling around your battery to ensure it stays safe and protected from impacts. With proven AXS wireless technology and the rugged durability of GX, its Eagle at its best. The new GX Eagle AXS derailleur and shifter are compatible with any other, current SRAM Eagle chains, chainrings, cassettes and cranks. Therefore, you need to compare specific rotational bits of the NX and GX drivetrains to know if that 15% weight difference is universal. Tiagra 4700 remains compatible with any Shimano/SRAM 10-speed chain and cassette. 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. Does your derailleur protect itself? The bottom bracket has been designed with an extra layer of sealing, as well as tighter tolerances, and metal construction of the bottom bracket. 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. The SRAM Battery Cover adds a stylish, protective cowling around your battery to ensure it stays safe and protected from impacts. VEy^Be 4 Hes also worked out that shaving your legs saves 8 watts, while testing aerodynamics in a wind tunnel. SRAM NX Eagle crankset with 30t chainring specifications The finish on the cranks began to wear after just one ride. As a consequence, the rear derailleur limit screws and cable tension may have to be reset when swapping wheels. At 170 mm in length, these SRAM Dub Boost cranks slotted right into my drivetrain replacing the aluminum versions. 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 only other consideration relates to the calliper mounts, for which there are two: flat-mount and post-mount. Most crank spindles are machined so that bearing landings (22mm, 24mm, 29mm or 30mm diameter) are wide enough and spaced far enough apart to work within a limited range of bottom bracket widths. Visit sram.com/service for Frame Fit Specifications. Reviews, buying advice and news. Right at the top end, this means cranks that are both stiff, light and durable. The SRAM GX Eagle Carbon cranks not only look good, but offer great value. For the purposes of this article, I recognise three levels of compatibility: go, no-go, and variable. I also cannot find any measurements for the spindle length of DUB cranksets which is frustrating. SRAM GX Eagle Crankset - 170mm, 12-Speed, 32t, Direct Mount, DUB Spindle Interface, Lunar, 49mm Chainline . > 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. 0000023922 00000 n With over 150 miles of riding, I can say these were worth it. Contact us to request a price match. All material Farrelly Atkinson (F-At) Limited, Unit 7b Green Park Station BA1 1JB. Or would my money have been better spent elsewhere? The SRAM AXS Battery offers approximately 20 hours of ride time or more, weighs just 25g and is detachable with a single clip. Lance Branquinho is a Namibian-born media professional who graduated to mountain biking after injuries curtailed his fascination with trail running. Connect and share knowledge within a single location that is structured and easy to search. As silly as it may seem to some, two cassette cog teeth make a sizable difference in gear rangeand provide a lower bailout/climbing . Some may not notice lazy rear derailleur shifting, extra chain noise, or a reduction in braking power. 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 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. 0000034565 00000 n The NX rear derailleur is 340g, compared to a GXs rear mech weighing in at 290g. Select CSV file that contains : Product SKU and Quantity to add to cart. The cover is also compatible with our existing XX1 and X01 EagleAXSderailleurs. 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? These two components account for the most weight in your drivetrain. In many instances, it is possible to mix different levels of shifters and derailleurs from the same brand (e.g. Keep reading to learn the differences and understand which drivetrain is best for the type of riding you enjoy. 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. and smooth, efficient shifting that you can count on every time out. designed to analyze shifting, gear use, power zones and tire pressure. Thanks for contributing an answer to Bicycles Stack Exchange! Finally, there is yet another two-bolt system specifically designed for linear-pull brakes. The FSA crank you linked appears to have a 24mm spindle, so this should fit as is.
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