ULTEGRA R8050 series => compatible with GRX Di2 ULTEGRA R8000 series, 6800 series => compatible with GRX 11 This means that for 2 setups youll need a GRX front derailleur a road one wont work properly. 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. *When using GRX brake parts, only TIAGRA hydraulic compatible parts are compatible. For example, Shimano wheels are typically locked into the style of freehub body they were initially supplied with, and the company doesnt offer replacement freehub bodies for use with Campagnolo or newer SRAM cassettes. COMPONENT However, this new spline pattern is not required to use the new 12-speed cassettes. Is it 9, 10, 11, 12, or even bigger? Are all Shimano 10 speed cassettes compatible with each other? With options to suit a range of budgets, GRX mechanical offers dependable performance and useful compatibility with Shimanos road drivetrains. Even if youre not buying a whole groupset, theres considerable scope to upgrade existing setups in search of lower gears or, for example, to get features such as the clutch rear derailleur. Having ridden both variants, the difference isnt noticeable once youre used to the braking, and those levers that lack the feature still offer excellent power and modulation. Would you like to receive offers, updates and events from BikeRadar and its publisher Our Media Ltd (an Immediate Group Company)? What is a tubeless valve, tubeless valve types, and how to select one are summarized below. There are four stipulations of note relevant to HG and HG 11 freehubs. Sign in to manage your newsletter preferences. When upgrading your gravel bike, keep the following elements in mind to help decipher what parts are interchangeable with your current road components. INFORMATION 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. Shimanos front shifting is pretty much the best out there, and GRX is no exception in this regard. The hood shape is taller than normal to provide a more secure hand position on rough ground. MANUALS & TECHNICAL DOCUMENTS There are a number of things to consider here. This is the way that Shimano structures everything on its website. The following is a summary of the differences and how to select the right one. When looking for items to upgrade your road, MTB, or gravel bike tires, technical terms such as TPI, compound, and pattern appear in the descriptions. SRAM XDR is the latest version of SRAM XD, and is simply 1.85 mm wider than the original (just like HG vs HG 11). Why not just put bigger rings on your GRX crank? Personally I wouldn't bother. Want to drop some weight, simplify your shifting, and still maintain a versatile range? Shifting is mechanical only. Introduced with XTR 12 speed, Microspline is Shimanos answer to fitting a smaller 10T sprocket onto a freehub body. 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. (Your choice will be dictated by your frameset.). SRAM intended the design to be easily adaptable to most existing hub designs, and as a result, just about every major hub manufacturer offers an XD-compatible freehub. This means that you can often use one of these 11-speed cassettes on either a mountain bike wheel or an older road wheel. 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. If you are currently riding a rim-brake road bike and are considering converting to gravel using GRX components, you can save money by using STI levers that are compatible with GRX for road use instead of GRX. Shimanos GRX gravel components are derived from road bikes, so they are highly compatible with road bike parts. Is that peak time for drivers or peak time for cyclists/pedestrians? Options abound. 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. But it's not officially supported. GRX is divided into three different levels: RX800 Shimano Ultegra level and 11-speed. Shimanos new GRX line is all about choice. Cassette removal and installation tools required for SRAM XD are identical to those used for Shimano HG, Microspline and EV-style freehub bodies. Consider the 1x11 GRX option with either Shimanos 11-40 or 11-42 cassette and a 40 or 42-tooth equipped crankset, shifted by a RD-RX812 or Di2 RD-RX817 wide ratio rear derailleur. It is now commonly referred to as an HG Mountain freehub body and offers a nine-spline design, with a single wider (keyed) slot that aligns the individual pieces of the cassette. 11-speed mechanical There arent GRX equivalents for every road component at every level, so GRX-equipped bikes will often mix different levels of components. You can then look at the options available within each category. No matter the option you select, GRX rear derailleur offerings feature Shimanos SHADOW Plus chain stabilizer that can be turned on or off depending on conditions. See below for details on those. No noise from the chain slapping the chainstay.". The first part of the lever travel is very light and the brakes respond instantly, with the progression leading to easier modulation of braking power as the terrain gets rowdier.". Visit our tours page for related adventures. Shimano OT-RS900 GRX, Dura-Ace Shift Cable Housing for Rear Derailleur (Y0BM98011) Out of Stock View. MANUALS & TECHNICAL DOCUMENTS Dave Arthur said, "The most successful aspect of the new groupset is the new hoods. To fit it into your bike without side to side movement you will have to add 2.5mm spacer ring behind each bearing cup. Shimano was proud to introduce the first gravel-specific groupset with its groundbreaking GRX component range. Shimano Microspline freehub bodies are only compatible with Shimano 11 and 12-speed mountain bike cassettes that feature a 10T smallest sprocket. If you have a bike from the past 20-30 years with more than eight gears in the back, its almost certain that youll have a freehub. Choice. With the bottom bracket installed in the frame, installing or removing the crank is extremely easy. 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 idea is that this provides more secure chain retention, reduces the amount that the chain slaps on the chainstays, ensures a quieter ride, and results in an uninterrupted shifting performance. Need to know what freehub body your wheel has but dont want to remove the cassette to find out? Shimano GRX components are designed specifically for the needs of gravel, adventure and all-road riding, with gearing and features that differ from the brands road ranges. RX600 Shimano 105 level and mainly 11-speed (although there is a 10-speed RX600 chainset too). SHIMANO GRX SERIES LINE-UP 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. Similarly, Campagnolo Ekar 13-speed cassettes require the use of an N3W freehub. (Chainline is the distance from the centre-line of the bike to the middle of the chainring on a 1 setup, or to a point halfway between the two chainrings on a 2 crankset.) He has won his category in Ironman UK 70.3 and finished on the podium in both marathons he has run. Unlike past groups with short- and long-cage options, there is just a single Dura-Ace . If you're in the market for a new gravel bike or want to replace your current drivetrain completely, a full GRX groupset is an ideal place to start. Shimano GRX offers some really appealing options for gravel and adventure riding, but the options are somewhat convoluted because crank and cassette options vary depending on where you are in the range, and which options you choose. Id put Servo Wave in the nice to have, but in no way essential category. We have compiled a list of advantages and disadvantages of hookless, as well as points to keep in mind when choosing. I'd be interested if anybody has tried to take this on the Eurostar, and whether it's possible to get away with it as an item of At almost 6k I'm struggling to see who on earth would buy this. Mat has been road.cc technical editor for over a decade, testing bikes, fettling the latest kit, and trying out the most up-to-the-minute clothing. Freehub bodies are almost always replaceable, but not all hub/wheel brands offer all types of freehub bodies. What is a tubeless valve? Side-by-side with a Shimano 105 road lever, the overall shape and design of the RX600 is very similar, although there are subtle differences, for example in the precise sculpting of the lever blades. The road cassettes go up to an 11-34 and mountain bike cassettes are offered in 11-40,. 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. The beauty of the Shimano GRX Groupset is the fact it is compatible with a lot of Shimano components on the MTB and Road Groupsets. Firstly, there was a short time frame (roughly 2004-2007) where Shimano introduced a 10-speed road-specific freehub design with a shorter body and deeper splines, in an effort to both reduce the chance of the cassette cutting into the freehub body and to increase the spoke flange distance. BR-R9270, BR-R8170, BR-R7170), the previous generation. As discussed above, a key advantage of GRX is the ability to mix and match with existing road groupsets, particularly among 11-speed components. Even with tubeless and tubeless ready tires, punctures cannot be reduced to zero. This section summarizes why disc rotor distortion occurs and how to correct the distortion. Ill get into some gearing geekery below, but I will say that for non-competitive riding that mixes up gravel and road, the combination of a 46/30 crank and 11-34 cassette works brilliantly, offering low enough gears for serious gradients while not feeling lacking at the top end. Shifting is mechanical only. The XT crank is designed to go into a 73mm wide bottom bracket shell. 10, 2023, Posted at: Below is a list of the most commonly found freehub bodies on the market today. The idea is that this makes the derailleur less exposed and vulnerable to damage by things like undergrowth and rocks. Now with the GRX line Shimano has made a clear distinction between technology intended for paved and unpaved roads. 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). When trying to change tire thickness on a road bike or other sport bicycle, it is important to know what tire size the wheel will allow. Options for multiple handlebar positions allow you to brake with confidence in all conditions. In regards to the latest generation of calipers shipping with 12-speed groupsets (i.e. Its based on Shimanos familiar Hollowtech II bottom bracket standard, which is available in both threaded and press-fit (BB86) options. All GRX STI levers are hydraulic disc brake only, STI levers for road compatible with GRX components, Compatibility with various components for road bikes, Compatibility of GRX with DURA-ACE for road bikes, Compatibility of GRX with ULTEGRA for road bikes, Compatibility of GRX with 105 for road bikes, Compatibility of the GRX with TIAGRA for road use, ST-R9120ST-R8020ST-R8025ST-R7020ST-R7025ST-RS685ST-RS505, Road components that can be combined with GRX for gravel, DURA-ACE R9050 series => Compatible with GRX Di2, DURA-ACE R9000 series, 9000 series => compatible with GRX 11, ULTEGRA R8050 series => compatible with GRX Di2, ULTEGRA R8000 series, 6800 series => compatible with GRX 11, 105, R7000 series, 5800 series => compatible with GRX 11, compatible with TIAGRA 4700 series => compatible with GRX 10. TIAGRA is easy to choose as a 10-speed grade, one step down from the current higher grade of 11-speed, but you need to be careful when choosing components for compatibility. The booster simplifies bead raising, which is the most difficult part of tubeless installation. If you want to use STI levers with mechanical shifters and mechanical brakes that are not listed in the table above, for example, ST-R7000 for 105, you can use them with GRX components by using mechanical disc brake calipers only for the brakes. These wide-range cassettes will not fit any other freehub body, and similarly, no other cassette design (including Shimano 12-speed road) will fit a Microspline freehub body. For example, e-thirteen, Sunrace, and a few other brands offer cassettes that take a unique fitment approach to work with pre-existing freehub designs.
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