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. *When using GRX brake parts, only 105 hydraulic compatible parts are compatible. 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. View our media pack. 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. > Here's some more information on how road.cc makes money. In its stock format, only Campagnolo Ekar 13-speed cassettes can fit an N3W freehub. Its based on Shimanos familiar Hollowtech II bottom bracket standard, which is available in both threaded and press-fit (BB86) options. Mar. Links below go to Freewheel, part of Shimano importer Madison and therefore the channel they're likely to appear in first. Shimano GRX gives them the options they need to Explore Beyond, tailoring their drivetrains to suit their needs and exceed their expectations. 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. Features Designed to fit a variety of bikes from MTB to road; spacer required to fit hub body to road bikes Compatible with HG-X11 and HG-EV 11-speed chains (not included) shimano - Rd RX810 compatible 1x? - Bicycles Stack Exchange 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. 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. Tech, reviews: tech [at] road.cc The XD system uses a one-piece cassette design that features a securing thread at the back of the freehub body. Shimano's GRX components offer great performance and useful gearing options for gravel and adventure riding. 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. It represents a ground up look at how cyclists want to explore their world. It has almost full Deore groupset, except crankset. SHIMANO GRX, with its gravel specific ergonomics, optimized gearing options, This means that for 2 setups youll need a GRX front derailleur a road one wont work properly. A nice benefit your wife gains with this bike is that the RD-4700 rear derailleur can handle up to a 34T rear cog. You have a huge amount of cassette options, and it makes getting spares and replacements when a service is due . GRX groupsets are only available with disc brake calipers and shift/brake levers. > 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. A key consideration with gravel and adventure bikes is getting low enough gears, so lets talk gear inches. The 211-speed setup tested here gives a low gear of 30/34, which would equate to a 24.1in bottom end with a 70038mm tyre. In recent years, GS (middle cage) models are also available in the rear derailleur lineup, but in the case of gravel components, the sprocket may be chosen to be a wide ratio product such as 11-42T for MTB, in which case the maximum tooth count may exceed 40, which cannot be handled even by GS (middle cage) models for road use. It uses the same Shadow RD+ geometry borrowed from mountain bikes, which tucks it under the rear dropout, making it less vulnerable to side impacts. While all GRX levers (including 10-speed RX400) have built-in reach adjustment, only the top-level RX800 series levers (mechanical and Di2) have free-stroke adjustment. Mechanical and electronic GRX rear derailleurs are available. As of mid-2018, SRAM has introduced NX Eagle groupset, that includes 12 speed cassettes compatible with Shimano (and SRAM) standard freehubs (for 8, 9, or 10 speed cassettes). Thing is, that . Interestingly, RX400 rear derailleurs will accept an 11-36 cassette, meaning that the lowest gear on offer is actually lower than it is with 11-speed. Derailleur-shifters compatibility Shimano GRX INFORMATION We have compiled a list of air pumps with booster(boost functions) that are reassuring to have one. 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. Be careful about compatibility when choosing Shimano TIAGRA components. Shimano 12-speed mountain bike cassettes are not compatible, either. 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 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. As a subscriber you can read road.cc ad-free, from as little as 1.99. Options for multiple handlebar positions allow you to brake with confidence in all conditions. Mar. A torque wrench is a useful tool to have if you want to properly maintain your road bike or MTB. Already have an account with us? You have the GRX tubeless-ready wheelset and the cyclocross brakes, to name a couple. While RX400 is heavier and perhaps ever so slightly less refined, it really gives up very little to the more expensive 11-speed components. The result is much-improved control, comfort and braking when riding down steep descents or slithering down a muddy path. A freehub is a part of the rear bicycle hub and serves two key functions. Shimano GRX CS-HG800 11-Speed Cassette | REI Co-op Things are more complicated with newer road drivetrains. 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. This helps keep them cool, maintaining the braking performance. *1: Exceptions are made for ST-R785, ST-RS685, ST-RS505, and ST-RS405. If you have 11-speed components, use 11-speed GRX components for your upgrades. The mid-level Shimano gravel groupset is an 11-speed mechanical groupset that permits a choice of 1x or 2x setups. What is the ASTM standard for bicycle wheels? Weve noticed youre using an ad blocker. We have compiled a list of points to note when choosing a wheel. 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. With the addition of a 1.85 mm washer behind the cassette, the 11-speed freehub bodies are backward compatible with the full list of cassettes covered above in HG Mountain.. As ever with these things, this is the official line, and there may (or may not) be some wiggle room in reality. Shimano Groupset Hierarchy Explained: Mountain Biking, Road Cycling Shimano GRX 2x11 brake rotor compatibility. Unlike past groups with short- and long-cage options, there is just a single Dura-Ace . Choice. Shimanos Hyperglide (HG) freehub design has been around since 1990 and remains the most common option in use today. 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. Types of bicycle disc brake mounts, how to recognize them, and how to choose an adapter. This setup would also only give you a top gear of 99.3in, falling well short of the 2 drivetrains 46/11 (114in) top end. Shimano Microspline freehub bodies are only compatible with Shimano 11 and 12-speed mountain bike cassettes that feature a 10T smallest sprocket. The flat mount brake calipers (BR-RX810 pictured) are the same design as the current road calipers but with GRX logos so they come with features like one-way bleeding and Shimano's Ice Technologies heat-dissipating finned brake pads and rotors. Looking for maximum range while maintaining road cassette progression? 6. You can also find further guides on our sister sites off.road.cc and ebiketips. Each rear derailleur has a stabiliser on/off switch that allows you to change the chain tension and minimise bounce. road.cc buyer's guides are maintained by the road.cc tech team. In addition, Shimanos components for road use do not have hydraulic rim brakes, so rim brakes cannot be used either. The finish is definitely better suited to the rigours of gravel riding than that of the road groupsets. Shimano GRX gravel groupset review - Groupsets - BikeRadar 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 GRX derailleur also comes in two options with a maximum low gear of either 34t or 42t, the larger of which is compatible with MTB cassettes. Youll lose a little, absolute top speed, but still love the 1:1 low gear ratio. It isn't a reworked set of road components. The ST-RX810-LA left lever has no shifting ability, but can be used to operate a cable-activated dropper. What is bicycle disc rotor distortion? The GRX 800 series chainset is available 2x with 48/31-tooth chainrings, and 1x with either a 42-tooth or 40-tooth chainring. These newer 11 and 12-speed mountain bike cassettes fit the older and narrower HG freehub body by cantilevering the biggest cogs over the spokes. The following is a summary of the causes of punctures and how to deal with them. An XDR freehub body is required to fit 12-speed SRAM Road AXS and XPLR cassettes. Garbaruk GRX cage extends Shimano gravel derailleur range - Bikerumor GRX 1x11 can quickly transform from gravel fun to CX focused with the change of a cassette. Check out 19 Shimano GRX bikes you can buy now from Cannondale, Canyon, Bianchi, Scott, Mason, 3T, Genesis, Cube and more. Narrower SRAM XD cassettes designed for a regular XD freehub can be fitted to an XDR body with the use of a 1.85 mm spacer behind the cassette. Theres only one 11-speed mechanical GRX front derailleur, and its the Ultegra-level FD-RX810. This section summarizes why disc rotor distortion occurs and how to correct the distortion. This is the way that Shimano structures everything on its website. A guide to freehub body and cassette compatibility - CyclingTips For a long time, picking a freehub body was as simple as deciding between Shimano or Campagnolo, but sadly, things are no longer so simple. Thanks! What is a tubeless valve, tubeless valve types, and how to select one are summarized below. The GRX is available in the following three lineups. What is a torque wrench? INFORMATION 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. Our guides include links to websites where you can buy the featured products. Technical FAQ: Mixing cranks on gravel bikes - VeloNews.com This appears to be a coating, and I did manage to inflict some damage on it during testing, but nothing too dramatic. Shimano recently updated its compatibility chart . Meanwhile, most other hub brands (depending on the age) offer the ability to change the freehub body fitment type. "For those who want to try out disc brakes but don't want to buy a new bike, we've put together a list of the parts you'll need to buy disc brakes and the points to keep in mind when buying. 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. Shimano EV freehub bodies are only compatible with Shimano 12-speed road cassettes. Types and How to Choose. The following is a summary of SRAM's proprietary XD and XDR standards, what makes them different from Shimano's, and what to look for when purchasing. Here is the full spec list: Shifter: Shimano Deore M5100, 11 speed Rear derailleur: Shimano Deore M5100, long cage, Shadow Plus Crank: ProWheel alloy, 42T, 175mm Cassette: Shimano Deore M5100, 11-51, 11 speed Chain: KMC X11, 11 speed Pedal: Wellgo Black Aesthetically, theres something slightly mountain bike-esque about GRX. Freehub bodies are almost always replaceable, but not all hub/wheel brands offer all types of freehub bodies. 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. Sign in to manage your newsletter preferences. Advantages and Disadvantages. Keep your drivetrain speeds consistent. "The proven clutch-style rear derailleur and Shimanos patented chainring tooth design ensured the chain stayed in place over the roughest tracks. 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.". 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. GRX front derailleurs use the same compact design weve grown used to on the road side, which includes a built-in cable tension adjustment, so you dont need to fit an inline barrel adjuster elsewhere. 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. Next, count how many teeth the smallest sprocket offers. Likewise, SRAM 10, 11, and some 12-speed (also with an 11T smallest sprocket) mountain bike cassettes fit. > New Shimano GRX derailleur and cassette compatibility If you use the Di2 system and fit satellite shifters, you'll be able to change gear with your hands on the tops too. The integrated cable-pulling system is compatible with cable-operated dropper posts with a 9mm lever throw. Shimano GRX cranks use a four-arm spider to match existing options. I wouldnt hesitate to recommend GRX, and the mid-range setup Ive focused on here is ideally suited to all manner of riding without costing the Earth. GRX isnt exactly one single groupset in its own right, but rather its a range of components that sits alongside Shimanos road groupsets. Having tested multiple bikes with GRX components, one of my key takeaways is an appreciation for just how good the entry-level 10-speed RX400 option is, as fitted to the Canyon Grail 6. Shimano was proud to introduce the first gravel-specific groupset with its groundbreaking GRX component range. While rare, you should also beware of outliers. The RX600 crankset uses a now-fashionable asymmetric four-arm design and is made from aluminium alloy. Fantasy Cycling: game [at] road.cc Not compatible with 11-46T cassette. Go with GRX's 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. HOME Fast-forward several years and the gravel landscape has evolved rapidly with new gravel-specific frames, wheels, tires, and more hitting the scene. The latest R8100 series has a 12-speed shifting system, which is currently incompatible with GRX. This is the identical size spacer that is used for spacing down Shimano HG 11 freehubs even the splines match. 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 The Ultegra-level GRX RX810 derailleur is very similar to Ultegra RX, whichcame before it, with only slightly tweaked specs. The GRX derailleurs sit further underneath the cassette than traditional road derailleurs they don't extend so far out when you're using the small sprockets. 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. Shimanos GRX for gravel and DURA-ACE for road bikes are compatible with the DURA-ACE R9100 and 9000 series. a clutch which resists forward movement of the derailleur cage, reducing the tendency for the chain to bounce around. 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. > Dave Arthur said, "The brakes coped with demanding high-speed descents and awkward low-speed tight downhills. BMXs, single-gear, entry-level adult, and kids bikes may still feature freewheels. We can certainly see many situations when this would be useful cyclocross and the cobbled classics, for instance. 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. Shimano hasnt exactly developed an entirely new groupset. PDF SHIMANO GRX GRAVEL COMPONENTS explore What is a through-axle? Introduced with XTR 12 speed, Microspline is Shimanos answer to fitting a smaller 10T sprocket onto a freehub body. COMPONENT Gravel riding is exploding throughout the cycling community, delivering a sense of exploration and freedom as we venture down unknown roads and seek out new adventures. 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. "Another reason the braking is improved on the ST-RX815 Di2 levers (above) is the addition of the companys Servo Wave technology from its mountain bike brakes. 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.". Why not just put bigger rings on your GRX crank? The downside being a lack of availability and according to official sources, little or no cross compatibility with existing road Shimano groupsets. What is SRAM's XDR and XD? This guide will help, but be warned that incorrectly counting or misreading something will easily result in you ordering the wrong part. The following is a summary of the differences and how to select the right one. 16, 2021. 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. 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. 1x GRX chain sizing with 42T cassette. The RD-RX812 rear derailleur is compatible with mtb cassettes with a 42T low sprocket max. There are three key differences to consider, though. 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. Both are supplied with resin pads as standard, with fins for cooling. We want you to be happy with what you buy, so we only include a product if we think it's one of the best of its kind. Please note that the information in this article should be relevant to all common bicycles purchased from the 90s and onwards. 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.