No chains were dropped. The decision to offer three ranges covering both 10-speed and 11-speed ensures it is an accessible proposition too. GRX groupsets are only available with disc brake calipers and shift/brake levers. At the time of writing there appear to be no GRX rear derailleurs available in the UK. Thanks! Even so, Shimano calls GRX the worlds first dedicated gravel component group". |, USD $1,009.92 Meanwhile, the new 12-speed road-specific EV freehub simply adds more splines to better spread the load area of the cassette and reduce the risk of the cassette biting into the softer aluminium material. Both allow the bike to coast, but a freehub provides the ratcheting mechanism as part of the rear hub, while freewheels integrate that mechanism into the rear sprockets, which are then threaded on to the rear hub. Long cage derailleurs are available for both mechanical and Di2 groups. (38/9 gives a healthy 115.4in). Branding aside, GRX brakes are almost indistinguishable from their road counterparts. Does it offer any branding? The first step is to count your cassettes number of sprockets (gears). Crappy wheels and a old school stem, and not particularly light. You can't have a complete RX600 groupset because there's no such thing as an RX600 rear derailleur, for instance; if you want an 11-speed mechanical rear derailleur you need to go for RX800 level. The final feature that only RX810 shifters offer is dropper post compatibility for 1-equipped bikes. SHIMANO DEORE - 10-Speed - HYPERGLIDE - 11-36T MTB Cassette Sprocket. The GRX RD812 says it works with a minimum cassette of 40. It uses more steel and less aluminium than the RX800-level rear derailleurs, hence a higher weight. The lockring tool for N3W cassettes is the same as regular Campagnolo cassettes, though the lockring itself is unique to the adapter kit. Like this site? Difference between 700C and 650B, advantages and disadvantages. As discussed above, a key advantage of GRX is the ability to mix and match with existing road groupsets, particularly among 11-speed components. The RX810s have ceramic pistons, which are theoretically superior to the RX400s resin, but will you ever notice the difference? Options abound. I would like to be able to run the 1x set up with both a 11-40 (for gravel) and 11-34 (for cross) cassette. An XDR freehub body is required to fit 12-speed SRAM Road AXS and XPLR cassettes. Pay attention to the capacity of the rear derailleur. Shimano GRX cranksets Shimano has finally, FINALLY made a dedicated 1 crank for drop bar bikes. Older Shimano Ultegra Shifter compatibility. capacity. And lastly, you may consider avoiding the need for a new freehub or cassette by mixing and matching drivetrain components. And as a reminder, there are a number of wheel companies that employ DT Swiss rear hub internals that could be changed to an N3W freehub. What is a Tire Insert? Both the RX810 mechanical front derailleur and the RX815 Di2 front derailleur (pictured above) have the capacity to accommodate a 17-tooth difference between chainring sizes (as found on a 48/31-tooth GRX chainset) while the RX400 10-speed front derailleur accommodates the 16-tooth difference between the RX600 chainset's 46/30-tooth chainrings. The shifting and braking are both as good as weve come to expect from Shimano and I cannot fault the ergonomics the tall hoods feel very secure in your hands and the lever shaping is just right. The GRX 400 shifters (just like the latest versions of Tiagra) use 11 speed technology in the rear derailleurs, but just pull more cable to shift to ten speed (than Shimano's 11 speed shifters do). Alternatively, look on the cassette (often visible from the back) for a brand and/or model. He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. This is the way that Shimano structures everything on its website. Better yet, it's all inner compatible, so you can mix and match. Lets look at GRX in detail, broken down into each component type. The lever has also been reshaped and is wider, and there are textured ribs on the hoods for more grip in slippery weather. If youre going 11-speed, you might wonder if its worth opting for the more expensive 11-speed Ultegra-equivalent RX810 levers. Currently, Campagnolo, Fulcrum, DT Swiss, Mavic, FFWD, Hunt, and a number of others cater for the new design. The parts feature innovative ergonomics, gravel-tuned gearing, and loads of options to handle the diverse demands of gravel riding. It's this typically Shimano system-thinking that makes GRX a good investment. SHIMANO GRX, with its gravel specific ergonomics, optimized gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. MANUALS & TECHNICAL DOCUMENTS Shimano GRX and XT/XTR compatibility : r/bikewrench - Reddit This increases tyre clearance and works better with the wider rear spacing found on some gravel bikes. Similarly, the cassette is held by a unique size lockring that is not cross-compatible with HG-style cassettes. As ever with Shimano, the front shifting includes trim positions, which feel intuitive and natural in use. It is the lowest gear currently on offer for premium road drivetrains (aside from Shimanos own GRX 2x10 30-36 offering), perfect for climbing loose, dirt and gravel surfaces. If youre used to Shimanos shifting and braking, nothing about GRX is going to feel surprising. Meanwhile, most other hub brands (depending on the age) offer the ability to change the freehub body fitment type. What parts are needed to convert a road bike to disc brakes and what to look out for when buying them. The top part of the hood curves back, letting you hook your hand into the hood for a more secure grip. Be careful about compatibility when choosing Shimano TIAGRA components. Shimano GRX: World's first dedicated gravel groupsets This also means that the GRX cranks Q-Factor is +2.5mm wider on each side compared to Shimano road cranks. If you hear a strange "shuffling" noise coming from the disc rotor area of your disc brake bicycle, it could be disc rotor distortion. Specifically, the drivetrain is basically officially compatible with the last two generations of components with the same number of steps. Shimano GRX for gravel and TIAGRA for road bikes are only compatible with TIAGRA 4700 series and GRX 10. And so Campagnolos entry into the 1x-specific gravel space with 13-speed Ekar brought along a new and shorter freehub body design that created room for a smaller 9T sprocket. Shimano 12-speed road cassettes remain backward compatible with common Shimano 11-speed HG freehub bodies. Thing is, that . My test bike, a Genesis Croix de Fer 853, which I detailed in a BR Builds article last year, was equipped with the following: Ive also spent a good deal of time riding gravel bikes fitted with both higher and lower spec GRX groupsets, including the likes of the Canyon Grail 6 and Grail CF SL 7.0, and the Enigma Escape, and Ive drawn from the experiences of the rest of the BikeRadar team in writing this review. Visit our tours page for related adventures. All of them use Shimano's Shadow RD+ technology which is designed to stabilise the chain on rough terrain by minimising unnecessary derailleur arm movement. Derailleur-shifters compatibility Shimano GRX. Shimano GRX gravel groupset | full details, weights, availability The latest R7100 series has a 12-speed shifting system, which is currently incompatible with GRX. This 23-spline freehub body is noticeably shorter in length (26 mm) than an HG body and uses cassettes that hang the smaller sprockets over the end of the freehub. However, there are times when it is easy to raise the bead, and other times when it does not raise at all despite your best efforts. It represents a ground up look at how cyclists want to explore their world. Put another way, if you have a Shimano cassette with a 10T smallest sprocket, then youll require a Microspline freehub body. Shimano wide-ratio sprockets for road bikes are listed here, including compatibility by step number. Years before the first gravel bike was introduced, riders tinkered with cyclocross bikes or touring rigs, creating drop-handlebar bikes with wide tires. shimano - Mixing GRX crankset with Deore groupset on 2021 Trek Dual 9. This alters the lever feel with more progression. But, as the Gravel Cyclist learned, you can actually run as high as a 40T cassette. COMPONENT CS-HG50-10. The GRX RD810 says it works with a max cassette of 34, but if it's like the Ultegra RX it will fit a 40 just fine. Some brands are truly great at offering various different freehub body fitments to suit all of the latest drivetrain styles. With the introduction of its new 12-speed road groupsets, Shimano also announced a new spline pattern specific to its new road cassettes. Component categories and series of GRAVEL, Component categories and series of LIFESTYLE, Component categories and series of E-BIKE, Your smartphone to cycling computer on the bike, SHIMANO bicycle ride data collection/analysis service, SHIMANO AGAINST THE TAMPERING WITH E-BIKES, California Transparency in Supply Chain Act. TPI, Compound, Tread? NEWS FEATURES Silent and uninterrupted rear shifting on rough terrain Adjustable chain stabilizer prevents chain slapping and drops SHIMANO SHADOW RD+ Smooth and reliable mixed surface shifting Switch stabilizer ON/OFF to match the terrain Shimanos 1 offering is slightly less impressive, with the lowest gear currently offered being a 40/42, giving you 26in. GRX is highly compatible with road-compatible components, Points to consider when combining with components for road bikes, Combine parts with the same number of speeds. GRX 1x11 can quickly transform from gravel fun to CX focused with the change of a cassette. Advantages, Disadvantages and Points to Consider When Choosing. Freehub bodies are almost always replaceable, but not all hub/wheel brands offer all types of freehub bodies. In addition, only the top-level gets Servo Wave braking, a concept borrowed from Shimanos mountain bike brakes that makes the relationship between lever and pad travel non-linear. Our mission is to bring you all the news thats relevant to you as a cyclist, independent reviews, impartial buying advice and more. Disc brake-equipped road bikes have been on the rise in the past few years. Compatibility [02] Cassettes | BikeGremlin THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Technical FAQ: Compatibility of 12-speed components Shimano gravel groupsets: the great GRX roundup | Cyclingnews Similarly, for the very best shifting, use a road (DURA-ACE, ULTEGRA, or 105) front derailleur if you prefer to ride with a road chainring combination like 50-34, 52-36, or 53-39, SHIMANO SERVICE CENTERS Thus, you could put on an XT or XTR 11-34 10-speed cassette to get her some lower . With faultless front shifting and chain security, I never found myself longing for 1 and, with the options Shimano currently offers, 2 is the better option for a versatile bike. Not surprising given GRX's intended use, you get hydraulic disc brakes across the board. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. There are three types of chainset to choose from: 1x11-speed, 2x11-speed, and 2x10-speed (there is no dedicated 1x10-speed chainset). Also about chain compatibility with chains from manufacturers other than Shimano. Shimano OT-RS900 GRX, Dura-Ace Shift Cable Housing for Rear Derailleur (Y0BM98011) Out of Stock View. Create a personalized feed and bookmark your favorites. Sign in to manage your newsletter preferences. The bead won't come up! One more thing to note is that all GRX series STI levers are hydraulic disc brake only. Youll lose a little, absolute top speed, but still love the 1:1 low gear ratio. If you're using a Shimano Ultegra or 105-level 11-30/34-tooth 11-speed cassette, you need to use the short cage Di2 RD-RX815 rear derailleur or a mechanical RD-RX810 rear derailleur (pictured above). The booster simplifies bead raising, which is the most difficult part of tubeless installation. If in doubt, consult your local bike store (or ideally the source of the wheel in question). PDF SHIMANO GRX GRAVEL COMPONENTS explore