Avec le programme Elite+ conomisez sur une large selection de produits. le grand pignon min. Some people do some bleeding with the pads in place then play with the pad springs to get a closer contact point. GRX drailleur arrire RX810 / RX812 11v, partir de (2 5 jours ouvrs), UPS Standard This led me down a Shimano GRX rabbit hole where I discovered all the little details that distinguish the Shimano GRX rear derailleur models from each other. However does the GRX group allow this mixing of parts? It also matches the wider pitch of the new R8000 crank, creating increased compatibility with disc brake road frames. PPC134,95, Prix TTC plus 9,95 (frais de port: France), Partez plus loin en exploration! There's however nothing stopping you using it with, say, SL-4700-R, which is a flat bar 10-speed lever, and a Deore 10-speed 11-42 cassette. Other than front derailer they are completely cross compatible with the equivalent road oriented group sets. They also sell these together with Di2 Alfine 11s hubs for touring bikes. The 8000 shifting feels better than the 6800 mechanical I have on an older bike. Ce fait est vrifi automatiquement d'aprs l'historique des commandes. L'authenticit des valuations est vrifie. Large images may take a few minutes to appear. diffrence max. du Gnral de Gaulle, 59910 Bondues. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Grx cranks have different chainline, so you will need also grx front der. le petit pignon max. Adresse : 1 avenue de Dallas, 21000 Dijon. If so, how close was it? Learn more about Stack Overflow the company, and our products. Drailleur spcial gravel longue chape, il permets parfaitement le passage des vitesses sur les grands pignons, rponds mes attente, Chouette produit avec une position route et une position VTT. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. le petit pignon max. More compact and faster than ever, the ULTEGRA R8150 front derailleur performs digitally precise front shifts under any circumstances. Adresse : 671 rue de la Farnire 69400 Gleiz. What is a word for the arcane equivalent of a monastery? Bien sr, toutes les gammes sont compatibles entre elles donc les mlanges ne poseront aucun problme mais cest un choix surprenant de la part de Shimano qui nous a plus souvent habitu offrir des groupes trs complets. This is the 10-speed RX400 option. Le drailleur arrire RD-RX810 est compatible avec les cassettes route dont le plus grand pignon est de 34T au maximum. Le pdalier 210 nest disponible quen gamme RX600 et donc en denture 46-30. It only takes a minute to sign up. Cassette conseille: Fr den vorgegebenen Einsatzbereich bestens geeignet, 50 000 articles immdiatement disponibles, Service de retour gratuit (pour les pays membres de l'UE). If the 8000-Series Di2 and GRX levers weren't so expensive, I'd upgrade to them. Shimano For 11-speed, riders running 11-30t or 11-34t cassettes should choose the RX810/815. Le drailleur arrire GRX RD-RX812 chape longue vise d'ailleurs sur les transmissions en mono plateau avec les grosses cassettes de vtt SHIMANO 11 vitesses en 11-40 ou 11-42 dents. di2), Ultegra Di2 rear shifting randomly stops working. 11-speed GRX and 11-speed Shimano road are 100% cross-compatible. rev2023.3.3.43278. The mountain bike DNA of the GRX derailleurs is obvious. Voir plus. RD-RX810, SHIMANO GRX - Drailleur arrire - SHIMANO SHADOW RD+ - Capacit maximale 34T - 11 vitesses. It will go up and down any mountain or trail, in much the same capacity as a gravel bike could, but more built up to cope with the stresses/gear ratios and braking ability of carrying a week's worth of stuff. GRX is slightly heavier (255g vs 247g) Adding complication, GRX comes in more than just a 2x variety. Cependant le grx812 est compatible avec des cassettes jusque 42 dents. Adresse : 27 avenue de Virecourt, 33370 Artigues-Prs-Bordeaux. So the RX812 is not '11-speed', since the RD is not indexed. 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. La quantit minimale pour pouvoir commander ce produit est 1. inscrivez-vous notre newsletter et faites le plein de promotions ! They were something quickly made and attached to mt bike calipers. Hayes et Manitou se relancent avec leur Enduro Collection. Hey All, Im a roadie looking to expand my options for commuting. Profitez des bons plans, des nouveauts vlo et des conseils de pros ! Dans ce cas, la Durit sort de la cocotte, se connecte cette manette et ressort de lautre ct pour aller en direction du frein. The 8000 series Ultegra shifters have a much better shape than the horrid RS785 levers. The geometry will be slightly strange kinda touring geometry with slightly bigger suspension (100 mm travel). Les pdaliers double plateau offrent le plus grand ratio jamais propos par Shimano avec un cart de 16 ou 17 dents entre les deux couronnes : 48-31 (srie RX800) ou 46-30 (srie RX600). 4700 has same cable pull as 105/ultegra/grx ,just that it has 1 gear less. (Contre-remboursement), France Express That is, sets equivalent to a proper subset via an all-structure-preserving bijection. Autre solution est d'utiliser le Tapan de chez Wolftooth pour utiliser un drailleur MTB type XT ou SLX avec des manettes routes/gravel. Ltrier RX400 pse 143g et on ne connat pas encore le poids du RX800 mais il devrait tre assez proche. Thanks dangle, it seems hood preference is as personal as other bike touch points like saddles & shoes. Adresse : ZI de Cournon, 24 ter avenue d'Aubire 63800 Cournon-d'Auvergne. Tubeless Ready, elles seront disponibles en 700c (1600g) et en 650b (1540g). RD-RX810 (chape moyenne, mon ou double) 264 g The only thing that is paired is the front derailleur and crankset (if you use a GRX crankset, you must use a GRX front derailleur, and the other way around) because GRX sits 2.5mm further outboard. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? Asking for help, clarification, or responding to other answers. technologie Shadow RD+ (amortissement de la cage paramtrable) matriau: plastique renforc de fibres de verre (GFK), aluminium capacit totale: 31 dents By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. To learn more, see our tips on writing great answers. Pour ce dernier, les clients ont le choix entre une transmission mcanique classique ou une transmission lectrique Di2. SHIMANO SERVICE CENTER I'm using a GRX derailleur with an Ultegra shifter from 2017 and it's great, I'm a bit doubtful about your last paragraph. Connect and share knowledge within a single location that is structured and easy to search. They differ fundamentally in a couple ways. Livraison votre domicile offerte partir de 49 dachat*. On rduit ainsi alors largement les bruits et le risque que la chane claque ou saute. As far as I can tell, the pull ratios on all 2xs are essentially the same. That is, sets equivalent to a proper subset via an all-structure-preserving bijection. Attention : dernires pices disponibles ! Shimano GRX front derailleur The GRX RX810 front derailleur is designed for a wider chainline than road versions. It features a 2.5mm outboard chain line design to allow wider tire clearance for mixed-terrain riding. The slight elephant in the room may be that the deore 5100 cassette seems to be 12 speed spacing and married to the 5100 rear derailleur..which I can't use, direct mount. GRX components are equivalent to Tiagra (GRX 10 speed), 105 (Grx 600 11 speed) and Ultegra (GRX 800 and 800 Di2). Les pdaliers GRX seront disponibles en mono ou double plateau, pour du 10 (double uniquement) ou du 11 vitesses. including 10-speed road, which came before 10sp MTB), which was about 1:1.7, Dynasys / 'New MTB' - which was introduced for 10-speed MTB and kept for 11 & 12-speed, which is about 1:1.2, 'New Road', which was introduced for Shimano 11-speed road, and subsequently used for all 10-speed road (which includes gravel) products introduced since the introduction of that, which is about 1:1.4. What benefits can I expect from the GRX groupset? Comme pour lavant, il ny a pas de drailleur arrire dans la srie RX600. A bit like boost did for MTB frames. Dtails: Das Schaltwerk kam ohne Originalverpackung nur in einer Tte und ohne den zugehrigen Auenzug. I wouldn't expect it to work as well in the opposite direction, but the location of the FD braze-on on the Checkpoint might be slightly different one way or the other. As best I can tell the key differences with GRX compared to Ultegra gravel builds: - GRX shifters have a different shape, textured hoods, and different pivot for better leverage when braking - GRX cranksets can run smaller than 34t chainrings - GRX rear dereailluers have different capacity (but both Ultegra RX and GRX have clutch . THE BINDERS The GRX brake calipers come in the 800 series and the 400 series. Difficile de donner un avis uniquement sur le drailleur quand on vient de changer l'ensemble du groupe. The 812 has a odd actuation ratio that allows it to be used with 11 speed road shifters but. SHIMANO BIKE-FRANCE Pour bnficier du bon d'achat adressez-nous un mail avec le lien de loffre concurrente : Si aprs avoir achet un produit sur notre site, vous trouvez, dans les 48h suivant votre commande, le mme produit (mme couleur, mme millsime, mme caractristiques, mme taille) un prix infrieur, sur un autre site Internet disposant d'un systme de paiement en ligne, nous vous remboursons la diffrence ! Jai mont ce drailleur GRX 812 sur mon gravel avec un doubl plateau GRX 46/30 et une k7 11V 11-36 sans problme avec mes manettes shimano 105, tout fonctionne parfaitement donc possible avec un double plateau. It's generally understood that mixing road and MTB group components does not work. Itl be a weird mix of gravel/touring bike but specced to handle the stresses of loaded touring and mountain biking. This also means that the GRX crank's Q-Factor is +2.5mm wider on each side compared to Shimano road cranks. Il te suffit alors de mettre un pdalier sub-compact 48/32 ou 46/30 selon tes besoins. Maybe there's something that could be done in the levers themselves. La srie RX800 lchelle des Ultegra / XT, ce sont des produits haut de gamme axs sur la performance pour les groupes Gravel & Cyclocross GRX spcialement. Ultegra shifters and derailleurs with another brand of 46/30 crank will be cheaper and you don't sacrifice compatibility with other brands of drivetrain parts. rev2023.3.3.43278. Combining Shimano's new Di2 platform and the road incarnation of HYPERGLIDE+, the ULTEGRA R8150 front derailleur shifts between chainrings with our fastest, most seamless action. Press J to jump to the feed. Les leviers de freins sont plus incurvs que les modles de route pour faciliter la prhension mme sur les chemins chaotiques. It only takes a minute to sign up. - SHIMANO ULTEGRA R8000 !R8000(^^)/ . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. If so, how close was it? GRX 800 is on par with Ultegra regarding material usage and weight, 600 with 105 and 400 with Tiagra. Asking for help, clarification, or responding to other answers. 29/03/2020, T. P. Qualitatif, conforme mes attentes. Making statements based on opinion; back them up with references or personal experience. Elles sont donc plus proches de roues de VTT que de roues de route mais ne sont pas au format Boost et nacceptent que des axes traversants de 12 mm. 2260392) compatible avec11 vitesses This clutch was introduced with Ultegra RX 1-2y ago but I think thats now phased out since the introduction of GRX. Vous trouvez moins cher ailleurs ? Pour ceux qui prfre plus de modulation ou un toucher plus proche des manettes de routes, les RX810 et les manettes des sries RX600 et RX400 nembarquent pas le Servo-Wave. Shimano a galement pens ceux qui utilisent une tige de selle tlescopique en gravel, une pratique trs la mode outre-atlantique. Amateur de montagne et de tout ce qui a deux roues, il compte bien vous apporter un clairage sur les questions complexes poses par le monde du vlo. Mise en ligne facile | Paiement scuris | Livraison incluse. Enfin, Shimano complte la gamme avec une nouvelle paire de roues. Pour unecommande infrieure 750 et livre avec Bartolini Corriere Espresso / UPS Standard. diffrence max. PRODUITS ABANDONNS, SHIMANO SERVICE CENTER | Manuels et documents techniques | PRODUITS ABANDONNS, Politique de confidentialit | Prfrences sur les cookies | Conditions d'utilisation | Informations lgales. Is it possible to rotate a window 90 degrees if it has the same length and width? Create an account to follow your favorite communities and start taking part in conversations. The 812 has a longer cage than the 810. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. That doesn't mean however that a GRX crankset really needs a GRX front derailleur. Hi, welcome to bicycles. Im coming from Dura Ace 7900 shifters and the 785s dont seem to be a lot bigger while have better texture on the hood and being higher and steeper will surely help with steep bumpy declines. Linear regulator thermal information missing in datasheet. > that also means that a GRX crankset must use a GRX front derailleur, due to that 2.5mm extra width. I have a TOPSTONE with group Shimano 105 and I didn't find it bad. And you can extend the capacity with either/or a derailleur hanger extender such as WolfTooth Goat-Link 11 speed and an oversized jockey wheel cage with larger wheels. : 30 dents Good quality but rather disappointed that the 'clutch' causes significant extra resistance. Then only activated in off-road downhill mode. 11T/Min. GRX v.s. vous pouvez consulter des informations ici. The tools needed for installation are: To subscribe to this RSS feed, copy and paste this URL into your RSS reader. : 40 dents Super Schaltwerk! grx vs ultegra front derailleur grx vs ultegra front derailleur. Thats why I decided to get all the information condensed into one video to allow for easier comparisons. Also the crankset is set further outboard by 2.5mm, so you can run wider tires without fouling the chainline (that also means that a GRX crankset must use a GRX front derailleur, due to that 2.5mm extra width, all the rest of the parts are cross-compatible across the range). Le drailleur arrire RD-RX812 est compatible avec les cassettes VTT dont le plus grand pignon est de 42T au maximum. Double check and make sure the bike youre looking at with GRX has GRX 800 otherwise, if its GRX 600 youre getting a better deal with the Ultegra equipped bike. My hope is that this information can help save you some time when trying to figure out which derailleur is best for your gravel bike.Read all about it here:https://mountain-road.com/blog/shimano-grx-gravel-derailleursWebsite: https://mountain-road.com/Instagram: http://instagram.com/mtnroadride/Bike Components Mentioned:GRX 810 Rear Derailleur: https://amzn.to/32SCD3GGRX 812 Rear Derailleur: https://amzn.to/37OpjfT GRX 817 Rear Derailleur: https://amzn.to/2WPsZuvUltegra RX 800 Rear Derailleur: https://amzn.to/32NDC53Ultegra RX 805 Rear Derailleur: https://amzn.to/2CNgpW311-34T Shimano Ultegra (HG800) Cassette: https://amzn.to/3jBJzYC11-34T Shimano 105 (HG700) Cassette: https://amzn.to/2CMVTVn11-40T Shimano XTR (CSM 9000) Cassette: https://amzn.to/32PGFtl11-40T Shimano XT (CSM 8000) Cassette: https://amzn.to/30HB3Pj11-42T Shimano SLX (CSM 7000) Cassette: https://amzn.to/35BaITfShop Mountain Road Swag!https://bonfire.com/store/mountain-road (USA)https://mtnroadlife.teemill.com (UK)Music licensed by: https://www.epidemicsound.com/referral/zy4v3b/Disclaimer: We use affiliate links, through which we earn a commission. Zusammen mit der 11-34 HG 800 Kassette ein Traum. Sur la balance, les manettes vont de 565g 613g la paire suivant la configuration choisie. Durch die Kombi aus der 50/34 und der neuen Kombi hinten ergibt sich eine sehr schne Kettenlinie mit feinen Sprngen im realistischen Bereich. Les manettes sont probablement les pices les plus travailles de la famille GRX. Yes, that's what Shimano says. Hence after the introduction of 10-speed MTB which pulls more cable per shift, and the introduction of hidden cabling for second-generation 10-speed road, which adds more right-angles/friction, Shimano came up with an intermediate shift ratio between MTB and the previous standard. An information that I can't find anywhere. The shape of the newest Ultegra DI2 hydro levers is really nice too (in a more tapered towards the front way). Petit pignon : Max. Profitez de la livraison votre domicile offerte avec La Poste Suisse partir de 99 CHF dachat. : 11 dents SRAM has a technical presentation on overhauling their hydro levers to give them a much closer contact point and remove just about all play. Profitez de la livraison votre domicile offerte partir de 69 dachat. > But not enough to want to give up the FC-R8000 crankset since the Checkpoint does double duty as my gravel and road machine. Expdition sous 24 heures Attention : dernires pices disponibles ! Bicycles Stack Exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. There is nothing intrinsically different about a 1x derailleur that stops it working with a front derailleur. Are the RS785 STIs the SHIMANO 105? Contenu: If it does need convertinglonger throw moves less for more leverage than MTB..a Tanpan should work but I don't think it's needed on front. Quoi quil en soit, les produits prsents seront disponibles en juin pour les versions mcaniques et en aot pour les versions lectriques. Identify those arcade games from a 1983 Brazilian music video. To learn more, see our tips on writing great answers. Pour cette raison SHIMANO a dvelopp le drailleur arrire GRX RX400 2x10V chape longue. > Pour ce dernier, les clients ont le choix entre une transmission mcanique classique ou une transmission lectrique Di2. Can airtags be tracked from an iMac desktop, with no iPhone? Im however not sure there are any existing gravel frames on sale right now that, A lot comes down to how much you want to spend. Das Schaltwerk hatte Gebrauchsspuren, war also offensichtlich nicht neu. Capacit totale : 41T. Protection des donnes: La socit ROSE Bikes GmbH enregistre et traite vos donnes titre personnel sur la base de la Protection des donnes. Probikeshop vous garantit le prix le plus bas *! SIS v1 for Dura-Ace 7400 only, which was about 1mm cable to 1.9mm derailleur movement, SIS v2 for everything excluding that, up to the introduction of 10-speed MTB (i.e. Main advantage of GRX over the road group sets is better grip on the shifterhoods and the clutch on the rear derailleur that will control the chain a lot better on bumpy trails. avant: 17 dents The pad contact adjustment basically does nothing other than create an uncomfortable bump under the hoods. Pas encore suffisamment de km pour voquer la fiabilit. 19/11/2019, Abonnez-vous la news et obtenez un bon* de 2,95. Why do small African island nations perform better than African continental nations, considering democracy and human development? R8000 - alpardobrasil.com.br. Dlai de livraison : 2-4 jours ouvrables. unless you've bought smaller chainrings for your FC-R8000, however, your large chainring is too large for the FD-RX815-f, which is designed for a 48T max. : 11 dents avant: 0 dents If so, what are your experiences? CE SITE INTERNET UTILISE DES COOKIES AFIN D'AMLIORER VOTRE EXPRIENCE UTILISATEUR. Expdition le jour mme pour toute commande passe et paye avant 15h00. COMPONENT With so many options available, all the small differences tend to get a bit confusing. Ultegra CS-R8000 11 vitesses (art. En naviguant sur materiel-velo.com, vous acceptez l'utilisation de cookies afin d'amliorer votre exprience utilisateur. Did this satellite streak past the Hubble Space Telescope so close that it was out of focus? Is there a proper earth ground point in this switch box? the Ultegra Di2 FD-R8050 will get along just fine with GRX Di2 rear derailleur as Di2 sees it all as part of the road family. I'm new here. Order Today, Ships Today. Le drailleur arrire GRX RD-RX812 chape longue vise dailleurs sur les transmissions en mono plateau avec les grosses cassettes de vtt SHIMANO 11 vitesses en 11-40 ou 1142 dents. I just replaced a 105 R7000 rear derailleur with an GRX 810 on my gravel bike, as I go a bit annoyed about the chain slap . All with indexed gears. Des doutes sur le choix de votre transmission ROUTE ? Press question mark to learn the rest of the keyboard shortcuts. I do not see in the link anything about the compatibility with MTB, as loukote asks. It features a 2.5mm outboard chain line design to allow wider tire clearance for mixed-terrain riding. Changement de vitesse arrire silencieux et ininterrompu sur terrain accident, Le stabilisateur de chane rglable prvient le claquement et les sauts de la chane, Changement de vitesse en douceur et fiable sur surfaces diverses, Activation/dsactivation du stabilisateur en fonction du terrain, Activation/dsactivation du commutateur de stabilisation en fonction du terrain, Tension dembrayage adapte la pratique du Gravel, Compatible avec les leviers DUAL CONTROL route actuels. GRX lever pull ratios can be converted with a WolfTooth Tanpan to MTB derailleur pull ratios. I've been grappling with initial setup but i wanted a 3x for the range. XT CS-M8000 11 vitesses (art. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? Styling contours by colour and by line thickness in QGIS. Scroll down this pdf on the Shimano . Adresse : 7 rue Ren Cassin, 95220 Herblay. Installing the GRX FD-RX815, FD-R8050 and FD-R9150 front derailleurs is not hard, but Shimano recommend you do it in two stages. En poursuivant votre consultation, vous acceptez lutilisation de ces cookies. Les triers GRX utilisent le standard Flatmount trs courant en route et que lon retrouve dsormais sur certains VTT. Should I understand that it is "only" with these shifters because of a pulling ratio different from their road but also from their MTB standard? Do new devs get fired if they can't solve a certain bug? The SHIMANO GRX RX-810-F front derailleur offer lighter front shifting operation and easier setup thanks to the new link construction and integrated cable tensioner. First you attach the front derailleur and the electric wire, then install the Crankset and make the final height adjustments to set up the front derailleur correctly. Catgories de composants et srie pour ROUTE, Catgories de composants et srie pour GRAVEL, Catgories de composants et srie pour VTT, Catgories de composants et srie pour LIFESTYLE, Catgories de composants et srie pour vlos lectriques, Service de collecte/analyse de donnes SHIMANO sur les sorties vlo, SHIMANO S'OPPOSE AU DBRIDAGE DES VLOS LECTRIQUES, OUTIL DE SLECTION DE PICES D'ORIGINE SHIMANO - ROUTE, OUTIL DE SLECTION DE PICES D'ORIGINE SHIMANO - VTT. How do I align things in the following tabular environment? Matthew Loveridge / Immediate Media As above, GRX cranks have a 2.5mm. compatible avec11 vitesses : 42 dents Using Kolmogorov complexity to measure difficulty of problems? Hello. Ct poids, les drailleurs mcaniques sont 95g tandis que le drailleur lectrique pse 131g. Is the XTR Di2 battery compatible with Ultegra Di2? Manuels et documents techniques The extra teeth take more of the spare chain up. XTR Di2 front derailleur mount for Cannondale Scalpel 29r. Does ZnSO4 + H2 at high pressure reverses to Zn + H2SO4? Or is the derailleur a standard road one compatible with their road shifters? Can I use friction shifters with a clutch style rear derailleur? Il est dot d'un stabilisateur de chaine avec la technologie Shadow RD+ (venue du VTT) qui permet d'viter les sauts de chaine. Aussi, seuls les clients qui ont achet le produit, peuvent valuer un produit. Cela permet de dcaler galement le drailleur avant et doffrir ainsi plus de dgagement pour pouvoir monter des pneus plus larges ou pour les conditions difficiles. Pour les sorties sur des surfaces lisses, le drailleur est dot d'un interrupteur ON / OFF pour le tendeur de chane. How to use Slater Type Orbitals as a basis functions in matrix method correctly? The thing specifically with RD-RX812 is it's marked for a 1x drivetrain, and Shimano don't have 1x levers for road (only for gravel), so they only show it compatible with the GRX levers, since these have brake-only levers. C'est silencieux, prcis et facile installer. Shimano GRX 2x11 brake rotor compatibility, Shimano shift levers for small hands (r7025 v.s. The hoods are a pain in the a$$ to install, they stretch out of shape and don't stay in place. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Compared to regular road front derailleurs, the GRX front derailleurs have an additional 2.5mm outboard clearance to provide space for wider tyres, up to 42mm. Vous souhaitez tre livr en 24/48h ou votre domicile ? For now, I'll suffer with what I have and gripe about them. This enables frame builders to flare out the chain stays in order to support wider tires. So it gives us the lowest gears we can find in the new Shimano equipment, from 4.18 to 0.83. Profitez de la livraison votre domicile offerte avec Celeritas partir de 60 dachat. Better climbing on a road bike with changed bigger cassette and smaller crank? SHIMANO GRX - Drailleur arrire - SHIMANO SHADOW RD+ - Capacit maximale 42T - 11 vitesses Avec un mcanisme de stabilisation de chane intgr, le drailleur SHIMANO GRX offre une exprience plus silencieuse, ainsi qu'une scurit et une prcision des changements de vitesse sur terrains mixtes. FEATURES Brazed-on type FIND A DEALER > Connect and share knowledge within a single location that is structured and easy to search. an 11-51 cassette paired with GRX 810 chainrings would give me pretty much the same range and solve that.