Shimanos GRX for gravel and DURA-ACE for road bikes are compatible with the DURA-ACE R9100 and 9000 series. The final feature that only RX810 shifters offer is dropper post compatibility for 1-equipped bikes. The GRX is available in the following three lineups. 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). Through-axle is becoming a major fixation method for disc brake wheels. 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. 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. And the fourth stipulation is in regards to 6 and 7-speed HG-style cassettes and freehub bodies. Currently, Campagnolo, Fulcrum, DT Swiss, Mavic, FFWD, Hunt, and a number of others cater for the new design. SHIMANO 10-Speed 11-36T MTB Cassette Sprocket Advantages and Disadvantages. 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. Difference between 700C and 650B, advantages and disadvantages. To fit it into your bike without side to side movement you will have to add 2.5mm spacer ring behind each bearing cup. The 2x10 spec will only offer a 46-30 chainring combo that can be paired with an 11-32, 34, or 36 tooth cassettes. This section explains the types of mount adapters, how to recognize them, and the model numbers of Shimano's mount adapters. This article focuses on the attachment function of a freehub; the ratcheting purpose is covered in a previous feature about freehub ratchet mechanisms. MANUALS & TECHNICAL DOCUMENTS However, before doing so I advise you to test how well the GRX rear derailleur works with a 11-46 cassette for example (however the only 11-speed Shimano 11-46 cassettes seem to have a very large jump from second easiest gear to easiest gear and the rest uniformly spaced -- perhaps some other manufacturer might offer a 11-46 cassette with evenly spaced ratios). Due to the wider crank and chainline, GRX cranks must be used in conjunction with a GRX front derailleur for 2x11 and 2x10 drivetrains. Fantasy Cycling: game [at] road.cc We have compiled a list of advantages and disadvantages of hookless, as well as points to keep in mind when choosing. Why not just put bigger rings on your GRX crank? GRX. Terms and conditions of use. That's all simple enough, but things are complicated by the fact that you can't get every component at every level. If your needs change, it's likely you'll find a compatible alternative for a component at a decent price. Are all Shimano 10 speed cassettes compatible with each other? We redesigned the front derailleur and crankset giving the chainline more space, allowing for broader wheel sizes and tires. And on a related note, many wheel brands consider freehub bodies to be a service component that can only be purchased through an approved retailer sometimes, these things arent so easily sourced online. INFORMATION 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. There arent GRX equivalents for every road component at every level, so GRX-equipped bikes will often mix different levels of components. Not surprising given GRX's intended use, you get hydraulic disc brakes across the board. Offering low climbing gears perfect for mixed surface riding, the 11-speed Shimano GRX CS-HG800 cassette is compatible with both 10- and 11-speed freehubs. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTERS | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | California Transparency in Supply Chain Act | ADA Compliance | California Consumer Private Notice. Rear derailleur setup is straightforward following Shimanos guidelines and the limit screws are multi-tool friendly because they have hex heads. The single ring chainsets use Shimanos Dynamic Chain Engagement tooth profile tall teeth that are alternately thick and thin, specially shaped to prevent the chain bouncing off on rough terrain. This section summarizes what tire inserts are and the advantages and disadvantages of using them, which have been attracting attention along with the spread of tubeless tires and have recently been used in professional road racing. Aesthetically, theres something slightly mountain bike-esque about GRX. The GRX crank is designed to go into a 68mm wide bottom bracket shell so I presume that's what your bike has. Freehub bodies are almost always replaceable, but not all hub/wheel brands offer all types of freehub bodies. An XDR freehub body is required to fit 12-speed SRAM Road AXS and XPLR cassettes. Shimano says that the level of stopping power provided by the non-Servo Wave RX810 (pictured below), RX600 and RX400 levers is akin to Ultegra, 105 and Tiagra disc brakes respectively. Cable routing and setup for this style of front derailleur isnt quite as intuitive as it was with previous, simpler designs, so its well worth breaking out the dealer manual and following Shimanos steps to avoid headaches. At first glance, tire specifications may seem difficult to understand, but if you keep only the important details in mind, your tire selection will be enhanced. A torque wrench is a useful tool to have if you want to properly maintain your road bike or MTB. GRX is currently in very short supply because of the same factors that are making many bikes and bike parts hard to find. The downside being a lack of availability and according to official sources, little or no cross compatibility with existing road Shimano groupsets. What is a torque wrench? 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. 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. Shimano wide-ratio sprockets for road bikes are listed here, including compatibility by step number. GRX isnt exactly one single groupset in its own right, but rather its a range of components that sits alongside Shimanos road groupsets. SHIMANO SERVICE CENTERS SHIMANO: Using an 11-42 tooth cassette is only possible when running a 1 x 11-speed drivetrain setup. See below for details on those. 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. Shimano OT-RS900 GRX, Dura-Ace Shift Cable Housing for Rear Derailleur (Y0BM98011) Out of Stock View. The integrated cable-pulling system is compatible with cable-operated dropper posts with a 9mm lever throw. That means no compatibility pitfalls, as long as you stay within the recommended tooth ranges and match the number of gears. 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. 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. It represents a ground up look at how cyclists want to explore their world. 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. Just a coincidence, I'm sure. They also have a shifting feel thats slightly crisper and more metallic than the RX600s, but the difference isnt huge. What is a through-axle? The availability of N3W-compatible wheels is improving all the time. 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. According to Shimano, the highest cassette you can run on an RX810 derailleur is 34T. Years before the first gravel bike was introduced, riders tinkered with cyclocross bikes or touring rigs, creating drop-handlebar bikes with wide tires. Shimano launches 12-speed, semi-wireless Dura-Ace and Ultegra groupsets Riders choosing an XT, SLX or Deore-level 11-40/42 cassette need to use the longer cage Di2 RD-RX817 (pictured above) or mechanical RD-RX812, both of which come with a pull ratio similar to Shimanos road derailleurs. Shimano GRX parts compatibility with XT or XTR FD on Salsa Fargo For this reason, it's easiest to decide first whether you want: 11-speed Di2 *When using GRX brake parts, only DURA-ACE hydraulic compatible parts are compatible. Long cage derailleurs are available for both mechanical and Di2 groups. Besides, that ultegra crankset is prone to delamination failure (look at @thanksshimano on instagram). If you live in an area without sustained or steep climbs, you might love the smaller gear steps of that same 1x11 front chainring with an 11-34 cassette. For this reason the front mech must be used with the matching GRX chainset (see above) which is similarly pushed outward from the frame by 2.5mm. The booster simplifies bead raising, which is the most difficult part of tubeless installation. And lastly, you may consider avoiding the need for a new freehub or cassette by mixing and matching drivetrain components. The finish is definitely better suited to the rigours of gravel riding than that of the road groupsets. 1. *When using GRX brake parts, only ULTEGRA hydraulic compatible parts are compatible. At this time, only Shimano is offering the EV Road freehub, while all other brands are instead continuing to offer the vastly more widely compatible and easier-to-manufacture HG11 design. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTERS | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | California Transparency in Supply Chain Act | ADA Compliance | California Consumer Private Notice. "Overall, the experience is one of trust," said Mike Stead, talking about using GRX 600 in particular, "It shifts with typical Shimano 105-or-better accuracy, and the chain won't fall off unless you do something spectacular. *1: Exceptions are made for ST-R785, ST-RS685, ST-RS505, and ST-RS405. 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 following is a summary of the differences and how to select the right one. Initially, the pads move quicker to make contact with the rotor, then later in the stroke pad, speed is traded for increased power and control. Types and How to Choose. Options for multiple handlebar positions allow you to brake with confidence in all conditions. 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. 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). This increases tyre clearance and works better with the wider rear spacing found on some gravel bikes. ", "No doubt we'll see wider-range rear mechs and 1x chainrings appear, further broadening the scope of terrain and luggage you can tackle without upgrading an entire groupset. ", "It's affordable, easily upgradeable, works with many other Shimano components, and most of all works out on the road or trail to deliver a flawless shifting and braking experience in the worst of weather or trail conditions. Need to know what freehub body your wheel has but dont want to remove the cassette to find out? Its equipped with an on-off switchable chain stabiliser i.e. Shimano 12-speed mountain bike cassettes are not compatible, either. RX600 Shimano 105 level and mainly 11-speed (although there is a 10-speed RX600 chainset too). This guide will help, but be warned that incorrectly counting or misreading something will easily result in you ordering the wrong part. Compatible with the current TIAGRA and above componentry for road bikes. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTERS | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | California Transparency in Supply Chain Act | ADA Compliance | California Consumer Private Notice. The lever has also been reshaped and is wider, and there are textured ribs on the hoods for more grip in slippery weather. Links below go to Freewheel, part of Shimano importer Madison and therefore the channel they're likely to appear in first. The first step is to count your cassettes number of sprockets (gears). Technical FAQ: How big can I go with my Shimano rear derailleur? This article covers the most common types of freehub bodies on the market today, what differentiates them, and what compatibility they offer. As long as you maintain your current drivetrain speeds (10-speed versus 11-speed), the following GRX components are fully compatible and interchangeable with your existing parts: Shift levers, chains, brake calipers, bottom brackets, cables and housing, and Di2 batteries and accessories. Understanding Bicycle Tire Specifications. Disc brake-equipped road bikes have been on the rise in the past few years. It attaches to the top section of your handlebar and connects to the main hydraulic line running to the front and/or the rear caliper to give you a second braking position. Paired with 700c x 40mm tires, it delivers a top gear similar to a road bike with 25mm tires and a 50 x 11 gear. New Shimano GRX derailleur and cassette compatibility This appears to be a coating, and I did manage to inflict some damage on it during testing, but nothing too dramatic. Also, note that old 8-speed Campagnolo cassettes use a different freehub system and are not a direct fit for the existing Campagnolo freehub design. Shimano GRX accommodates almost any frame and any budget level while delivering a system-engineered drivetrain ready to tackle the most challenging gravel terrain. I suffered no mis-shifts at all, no grinding gears, no evidence that it couldnt cope with grimy riding. NEWS Modified at: PRODUCT Remember that a 10T or smaller indicates a newer style of freehub (Microspline, XD/XDR, or N3W) is required. Dave Arthur used the RX810-F front derailleur and said, "Front shifts [were performed] well despite that 17-tooth jump between the two rings and being asked to do so in adverse conditions and with a regularity that rolling terrain requires.". MANUALS & TECHNICAL DOCUMENTS Summary of air pumps with booster/boost function. 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. Similarly, new Shimano 12-speed road cassettes will fit HG 11 freehubs. Our guides include links to websites where you can buy the featured products. Below is a list of the most commonly found freehub bodies on the market today. Crappy wheels and a old school stem, and not particularly light. Cassette and chain options come from current road (Ultegra, 105, Tiagra) and mountain bike (XT, SLX, Deore) groupsets. The lockring tool for N3W cassettes is the same as regular Campagnolo cassettes, though the lockring itself is unique to the adapter kit. Choice. 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. The decision to offer three ranges covering both 10-speed and 11-speed ensures it is an accessible proposition too. Options abound. Choose between 10-speed and 11-speed, 1x11 or 2x11, and mechanical or electronic shifting. Similarly, the cassette is held by a unique size lockring that is not cross-compatible with HG-style cassettes. Shimanos new GRX line is all about choice. 111 riders will have. Gravel Your Way: GRX Drivetrain Options. If you dont want to subscribe, please turn your ad blocker off. 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. 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. (38/9 gives a healthy 115.4in). It leads to an enhanced sense of control. It isn't a reworked set of road components. Gravel Upgrades: Mixing and Matching Shimano GRX and Road Components. 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. Even with tubeless and tubeless ready tires, punctures cannot be reduced to zero. Review: Shimano GRX 600 groupset | road.cc If youre going 11-speed, you might wonder if its worth opting for the more expensive 11-speed Ultegra-equivalent RX810 levers. Shimano 10-speed road cassettes fit with the addition of a small 1 mm spacer behind the cassette (which is usually supplied, except for Tiagra cassettes where it is not required). I'm torn between which of the GRX derailleurs I need to buy. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Visit our tours page for related adventures. 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. What to do when you get a flat tire with a tubeless or tubeless ready tire. Shimano GRX RD-RX400 RD w/ 11-42 cassette - Riding Gravel road.cc's Dave Arthur rode both mechanical and Di2 versions of GRX in atrocious conditions and said, "[The groupsets] kept changing gear with the usual metronomic precision that Shimano groupsets are known for. He looks like he should be better at cycling than he actually is, and he's ok with that. These are lighter by a claimed margin of just 43g, so weight probably isnt sufficient justification. Advertising, commercial: sales [at] road.cc The one exception to this is Shimano, who to this day has never produced an XD freehub body for its own wheels or hubs. This article is designed to be a resource to ease confusion over freehub selection and cassette compatibility. Shimanos GRX for gravel is compatible with road bike components, although they are basically interchangeable. When upgrading your gravel bike, keep the following elements in mind to help decipher what parts are interchangeable with your current road components. 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. The idea is that this makes the derailleur less exposed and vulnerable to damage by things like undergrowth and rocks. Tubeless is reassuring to have! Shimano 12-speed road cassettes remain backward compatible with common Shimano 11-speed HG freehub bodies. Mat has been in cycling media since 1996, on titles including BikeRadar, Total Bike, Total Mountain Bike, What Mountain Bike and Mountain Biking UK, and he has been editor of 220 Triathlon and Cycling Plus. a wide range of terrains and ride the way you want! Your subscription will help us to do more. 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. Shimano GRX Groupset Review: What Makes A Gravel Groupset? Cassettes Chains Cranks Pedals Bottom Brackets Hubs Shimano Deore XT CN-M8100 12-speed - HYPERGLIDE+ - SIL-TEC - MTB Chain . If youre coming from an older groupset, youll need a small adaptor in addition to the standard Shimano bleed cup that you fill with fluid at the lever. The RX810s have ceramic pistons, which are theoretically superior to the RX400s resin, but will you ever notice the difference? Shimano GRX is a component series designed for gravel and adventure riders, bikepackers and cyclocross racers, providing a wide spread of possible builds including 10-speed and 11-speed setups, 1x and 2x drivetrains, mechanical and electronic shifting, wide-range or close-range gears, and dropper post integration. This is the way that Shimano structures everything on its website. Shimano GRX CS-HG800 11-Speed Cassette | REI Co-op road.cc reviewer Mike Stead tested the GRX RX810 chainset (pictured above) with a 40-tooth chainring and said, "The combination of the [rear derailleur] clutch (see below) and alternating chainring tooth profile meant no matter what I tried, the chain stayed put and was almost totally silent.". A small inline cable adjuster might make the rubbing less, but will not remove it completely. ", Explore the complete archive of reviews of groupsets on road.cc. AASQ #75: Are SRAM chains compatible with Shimano drivetrains > As a reminder, the GRX naming system works like this: This review will focus on more-or-less the cheapest possible 211-speed mechanical setup with RX600 levers, but Ill discuss the alternatives, and why you might consider going up or down the range. That covers the high level layout of the group. Mounting adapters for bicycle disc brakes are essential when changing calipers with different standards or rotor sizes. Put another way, if you have a Shimano cassette with a 10T smallest sprocket, then youll require a Microspline freehub body. We hope this guide is still useful in helping you understand how the GRX range works, and we apologise if the links aren't as useful as we'd like them to be. When using GRX brakes, only hydraulic brake-compatible models of STI levers for road use will be compatible, since GRX has only a lineup of hydraulic disc brakes. For Shimano STI lever model numbers, add 50 to the base model number (e.g., ST-9100) to get Di2, add 20 to get for hydraulic brakes, and add 5 to get for small hand *1, so you can remember that the 70s are for Di2 hydraulic and the 20s for mechanical hydraulic. Shimanos GRX for gravel and ULTEGRA for road bikes are compatible with the ULTEGRA R8000 and 6800 series. But sometimes, you can get stuff to work. 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. Campagnolo also offers an adapter kit (#AC21-N3W) that allows older 9-12-speed Campagnolo cassettes to fit an N3W freehub. GRX 11-speed - SHIMANO BIKE-US We have lined up models from major manufacturers and compared them. In its stock format, only Campagnolo Ekar 13-speed cassettes can fit an N3W freehub. 11-speed mechanical This means that many older pre-11-speed Mavic freehubs are ready to accept everything from 8-12 speed HG-fitment cassettes, including 11 and 12-speed Shimano road. If you hear a strange "shuffling" noise coming from the disc rotor area of your disc brake bicycle, it could be disc rotor distortion. Shimano Groupset Hierarchy Explained: Mountain Biking, Road Cycling One is that the Shimano GRX 812 rear derailleur is only rated to a max rear cog of 42T and total cassette range (gear capacity) of 31 teeth (42-11=31 . 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. With the popularity of gravel road bikes and the spread of disc brakes, the choice of road bike wheel size has become not only the standard 700C, but also 650B. Mix and match components to customize your bike for. The XT crank is designed to go into a 73mm wide bottom bracket shell. Go with GRXs 800 series 2x11 RD-RX810 or Di2 RD- RX815 rear derailleurs, designed for close ratio clusters, with 48/31 chainrings and an 11-34 cassette. SHIMANO DEORE - 10-Speed - HYPERGLIDE - 11-36T MTB Cassette Sprocket.
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