They also have a shifting feel thats slightly crisper and more metallic than the RX600s, but the difference isnt huge. This increases tyre clearance and works better with the wider rear spacing found on some gravel bikes. If your bike currently has 10-speed road components, you must use 10-speed GRX components. 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. The introduction of 11-speed road cassettes required a new freehub with the same spline pattern as Shimano HG, but an extra 1.85 mm of length to accommodate the additional sprocket (now measuring 36.85 mm). Equally, I wouldnt turn my nose up at the 10-speed RX400 option, which is excellent in its own right. Shimano GRX CS-HG800 11-Speed Cassette | REI Co-op Firstly, it performs the ratcheting duty, allowing the cassette to stay stationary while the rest of the hub can spin freely so you can coast. Shifting is mechanical only. Unlike past groups with short- and long-cage options, there is just a single Dura-Ace . 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. For Shimano products, you can use BR-RS303 or, although not officially compatible with Shimano products, TRPs Spyre can be used with GRX components and mechanical STI levers for road use. Shimano GRX also includes 1x11-specific BL-RX810 and BL-RX600-series left side hydraulic disc brake levers with no dropper or shift internals. Shimano recently updated its compatibility chart . If youre Shimano-inclined and looking to spec a bike for adventure, gravel or gravel-adjacent activities, it offers a wealth of options to suit different budgets, all of which perform well in the real world and are easy to live with. It offers a lowest possible gear of 38/44 or 23.6in while not sacrificing the top end thanks to cassettes that start at nine or 10t. If youve enjoyed this article, then please consider subscribing to road.cc from as little as 1.99. On the 1 front, Campagnolos 13-speed Ekar groupset has the edge. Bike cassettes explained - BikeRadar New Shimano GRX Gravel Groupsets - Ten Things to Know - BikeExchange Likewise, SRAM 10, 11, and some 12-speed (also with an 11T smallest sprocket) mountain bike cassettes fit. Due to the wider crank and chainline, GRX cranks must be used in conjunction with a GRX front derailleur for 2x11 and 2x10 drivetrains. 9. A small inline cable adjuster might make the rubbing less, but will not remove it completely. The GRX RD812 says it works with a minimum cassette of 40. shimano - Mixing GRX crankset with Deore groupset on 2021 Trek Dual You can then look at the options available within each category. SRAMs XD freehub body was created to fit SRAMs own wider range mountain bike cassettes, which feature a smaller 10T sprocket; pre-existing freehub body designs couldnt handle anything smaller than an 11T one. The availability of N3W-compatible wheels is improving all the time. Therefore the 10 speed Tiagra and GRX 400 can use 11 speed rear derailleurs and vice versa. Just be sure that if you use a GRX crank, especially with a 48-31 chainring combination, that you use matching GRX front and rear derailleurs, as they are designed for the larger front chainring difference. But it's not officially supported. As a subscriber you can read road.cc ad-free, from as little as 1.99. This looks great. What is hookless rim? With two different derailleur cage lengths, Shimano GRX ensures stable shifting and chain retention across a wide range of gearing options. The revenue from adverts helps to fund our site. If you wanted a 1x system with RX600-level components, for example, you'd buy an ST-RX600-R right shifter and a BL-RX600-L left brake lever. At (approx) 35 mm across the spline length, the original-width HG freehub remains current for mountain bike purposes, but is discontinued on road-specific wheels. 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. Get access to more than 30 brands, premium video, exclusive content, events, mapping, and more. Similarly, Campagnolo Ekar 13-speed cassettes require the use of an N3W freehub. The aim of road.cc buyer's guides is to give you the most, authoritative, objective and up-to-date buying advice. Two people rescued after car drives into river Before I bought an 11sp bike, I had a 10sp one and I bought an 11sp crankset which ran with the 10sp rear derailleur no problem. While nearly all GRX components are compatible with Shimano road groups, there are a few exceptions and key features that differentiate GRX from Shimano road components. 11-speed mechanical Remember that a 10T or smaller indicates a newer style of freehub (Microspline, XD/XDR, or N3W) is required. 10-speed mechanical. Shimano GRX and XT/XTR compatibility : r/bikewrench - Reddit Years before the first gravel bike was introduced, riders tinkered with cyclocross bikes or touring rigs, creating drop-handlebar bikes with wide tires. We specifically designed the brakes for the often unexpected challenges of gravel riding. There are two types of disc brakes for road bikes, mechanical and hydraulic, but the mechanical type, which physically closes the caliper by pulling the wire, and the hydraulic type, which closes the caliper by the difference in pressure of the oil filled in the hose, have different structures and cannot be used together. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Choice. Compared to Shimanos glossy 105 road levers, the RX600s also have a more muted, grippy finish that feels a bit like the soft-touch plastic you get in modern car interiors. After buying a new road bike, you will have the option to combine your original road bike with GRX components to make it a gravel bike, which will broaden the range of ways to enjoy your bike. The following is a summary of the differences and how to select the right one. While theres only one RX600 right-hand lever, the left comes in two versions: one for 2 drivetrains, and a variant for 1 that skips the shifting internals. We have compiled a list of advantages and disadvantages of hookless, as well as points to keep in mind when choosing. For 1x11 setups, the long-cage GRX rear derailleur is necessary if you wish to run the 11-40 or 11-42 cassette sizes. The 2 options are excellent though, and at 11-speed level, the option to mix and match with Shimano road groupsets makes piecemeal upgrades an appealing possibility. Some brands are truly great at offering various different freehub body fitments to suit all of the latest drivetrain styles. Shimano 12-speed road cassettes remain backward compatible with common Shimano 11-speed HG freehub bodies. We can certainly see many situations when this would be useful cyclocross and the cobbled classics, for instance. According to Shimano, the highest cassette you can run on an RX810 derailleur is 34T. Technical FAQ: Compatibility of 12-speed components INFORMATION Sticking with that tyre as a baseline, 10-speed GRX RX400 actually goes even lower, offering a possible 30/36 low gear, or 22.8in, coincidentally the same lowest gear offered by SRAMs 12-speed Force eTap AXS in a 2 configuration. TPI, Compound, Tread? Types of bicycle disc brake mounts, how to recognize them, and how to choose an adapter. With the introduction of its new 12-speed road groupsets, Shimano also announced a new spline pattern specific to its new road cassettes. I didnt feel compelled to fiddle with this (and switching it off has no discernible effect on shifting), but you can actually adjust the amount of friction in the clutch if you want to, via a bolt underneath the outer cover. Shimanos GRX for gravel and ULTEGRA for road bikes are compatible with the ULTEGRA R8000 and 6800 series. That said, GRX is still very good equipment and the range will suit the majority of those speccing their own gravel/ adventure bikes, as well as giving bike brands plenty of options when it comes to building new models. Advantages, Disadvantages and Points to Consider When Choosing. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? PRODUCT A nice benefit your wife gains with this bike is that the RD-4700 rear derailleur can handle up to a 34T rear cog. Dave Arthur said, "Its just a shame Shimano wasnt a little braver in offering a game-changing groupset to serve as a serious riposte to its rivals and offer the low and wide-range gearing that many people flocking to gravel bikes want.". SHIMANO GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. Email us with comments, corrections or queries. I used a kit from Epic Bleed Solutions when I built my test bike up and had no complaints. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Mixing and matching components is an endless topic as drivetrain manufacturers continue to progress their respective technologies. While rare, you should also beware of outliers. Introduced in our MTB range and designed for more aggressive riding, this feature gives the derailleur a super low-profile design. Tiagra 4700 shifters are compatible with GRX RX400 derailleurs (front and rear), but apparently 105 5700 and Ultegra 6700 shifters are not. Gravel Your Way: GRX Drivetrain Options. Rather than unveil a standalone groupset, with GRX, Shimano has developed a whole new groupset ecosystem with three levels of performance on offer. As discussed above, a key advantage of GRX is the ability to mix and match with existing road groupsets, particularly among 11-speed components. For example, DT Swiss offers freehub bodies that cater to all current popular drivetrain demands, and (partly) as a result, a number of wheel brands choose to use DT Swiss hub internals. There are three types of chainset to choose from: 1x11-speed, 2x11-speed, and 2x10-speed (there is no dedicated 1x10-speed chainset). That means no compatibility pitfalls, as long as you stay. It used to be that dropping down the groupset hierarchy meant putting up with underwhelming brakes but, thanks to discs, theres no meaningful performance difference between the upper and lower ends. While RX400 is heavier and perhaps ever so slightly less refined, it really gives up very little to the more expensive 11-speed components. Dave Arthur used the RX810-F front derailleur, road.cc's Dave Arthur rode both mechanical and Di2 versions of GRX, Here's some more information on how road.cc makes money, in: Council bans peak deliveries at notorious Oxford roundabout, in: Kensington council ignored advice and manipulated data, in: Gran, 84, to ride 1,000 miles in memory of her late children, in: Driver who killed cyclist spared jail after widows plea. You can also find further guides on our sister sites off.road.cc and ebiketips. Shifting feel is largely defined by the levers and the RX600s are much like their road counterparts, with a light snick from gear to gear thats somewhere between metallic and plasticky. rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. Shimano GRX for gravel and TIAGRA for road bikes are only compatible with TIAGRA 4700 series and GRX 10. Shimano GRX gives them the options they need to Explore Beyond, tailoring their drivetrains to suit their needs and exceed their expectations. Shimano GRX cranksets Shimano has finally, FINALLY made a dedicated 1 crank for drop bar bikes. RX400 Shimano Tiagra level and 10-speed. GRX offers both 1x11 and 2x11 drivetrain options. Alternatively, look on the cassette (often visible from the back) for a brand and/or model. Thus, you could put on an XT or XTR 11-34 10-speed cassette to get her some lower . Tel 01225 588855. On a cassette and freehub system, the lockring spline at the end of the cassette will move with the sprockets when theyre spun backward.
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