This means that all of the road bike Ultegra/Dura-Ace dual control brake levers/shifts, time trial shifters, and climbing shifters can be used with either Ultegra 6770/6870 or Dura-Ace 9070 front and rear derailleurs. 97. Buy It Now. This makes it incredibly light as you battle against the clock, while its Shimano Ultegra Di2 … Complete Groupset. It’s a choice between the Ultegra models, one Di2, one Mechanical, otherwise identical specs, but £900 difference. $299.95 $ 299. In order to ensure proper functioning of the electronic Di2 drive system, all components require the same firmware version. The Ultegra Di2 ST-R8070 dual control levers allow not only more intuitive shifting operations but also quick and precise shifting thanks to a clearer separation between shift buttons. Bottom Bracket: FSA Mega Exo. Le groupe Ultegra est fluide et élégant. The new 8050 Ultegra Di2 is phenomenal. This Shimano Di2 option will … Shimano Ultegra Di2 (RD-R8050-GS or RD-R8050-SS) rear derailleur for option. As road bike component, the stress-free operation is one of the most important feature to … Please let us know if there is some other combination you need that is not obtainable on our site. Shimano Ultegra Di2 10speed, selling my ultegra di2 groupset i have recently stripped off my canyon speedmax tt bike. The Ultegra group is roughly 250 grams heavier than the equivalent Dura-Ace Di2 set up, so while there’s a … The next one released, Ultegra Di2, is 6770. Si pas moins de six versions du groupe sont proposées (avec les options triathlon/CLM), nous avons testé les transmissions Di2, qui reprennent toutes les fonctionnalités du nouveau Dura-Ace. The optional diagnostic device allows for reading out or updating the firmware version. A more defined click feeling and a wider … achat groupe shimano ultegra di2 achat en ligne pour adulte. Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your setup to suit you. Record 12V Mecánico. R3000 Series. Stock Info . A070 Series. C $285.07. 105 Mecánico; 105 Hidráulico Disco. Brilliant upgrade from Ultegra 6800, and the kit came with everything required for a basic install. El cambio trasero Shimano Ultegra Di2 RD-R8050-SS impresiona por su diseño delgado e integrado específico para el grupo, que se refleja en un perfil bajo. Di2 Shifters: Run full or semi-synchronised, Crankset: Evolved from Dura-Ace R9100 version – stiffer with more power transfer, Front Derailleur: Now accommodates wider tyres and offers bigger gear range, Rear Derailleur: Shadow design placing mech under cassette away from potential crash damage, Brake Calipers: Larger clearance for tyres up to 30mm wide, Chainset: R8000 Choice of chainrings and crank length, Bottom Bracket: BBR60 English or Italian or BB72 press fit, Cassette: R8000 11 speed, choice of ratio, Chain: CN-HG601, with upgrades to HG701 and HG901, Rear Derailleur: R8050 Di2 SS (for up to 11-30 cassette) GS (needed for 11-32 and 11-34). The Synchronized Shift technology simplifies gear changes in racing situations. If you need more detailed information about the single parts of the groupsets check the articles in the referring categories. Shimano Ultegra R8050 Di2 Groupset. Shimano Di2 Internal Wire Kit 5 Port Road. Las diferencias entre los grupos Shimano 105 y Ultegra Tanto el 105 como el Ultegra son cambios que cuentan con 11 velocidades . German Quality CRANKSETS. The highest quality groupset outside of the professional peloton, Shimano’s Ultegra 6870 Di2 Groupset offers crisp, accurate, and reliable shifting at a fantastically light weight. Alain Bike Store. Please note that for using the cassette with 11-32 teeth a medium rear derailleur is required. Top Rated Seller Top Rated Seller. Brand New. Intuitive shifting. Cassettes are 11-28 (or closest) We've removed bottom bracket weight as these are frame dependant. Aerodynamic design. $309.99. Shimano Dura-Ace SW-R9160 Di2 Bar End Shift Buttons. I am really enjoying this product due to its precision, smooth gear changing and beauty. The new TT … We will not use your e-mail address for any other purpose. The rear derailleur sees a similar difference, with the UDi2 at $340 and DADi2 at $740. ... Shimano Ultegra Di2 2x11 Speed TT… Ergonomically shaped Di2 shifters, new covers for the Di2 buttons, and with improved adjustability when it comes to shifting options. However, according to the service manual (PDF), Shimano says the battery is good for about 30 percent fewer kilometers than Dura-Ace’s 1000k range. Otherwise, please select your delivery country or log in directly with your account. BOTTOM BRACKET. Highly recommended upgrade. These can be ordered separately. 199,- € Shimano ... Shimano Ultegra Di2 … COVID-19: Delivery time3 3 to 5 working days to United Kingdom 2. Note: SRAM eTa … It easily plugs into the E-tube wiring system and seamlessly connects Di2 equipped bikes to a compatible wireless cycle computer. $359.99. The Ultegra ST-R8060 TT/Triathlon Dual Control Lever allows you to shift your front and rear derailleurs from the brake levers on your time trial base bar. Optimized for hand positioning on the extensions. While SRAM eTap continues to gain followers, there’s no question that the king of road groupsets is Shimano’s workhorse Ultegra kit. Crankset weights will vary depending on size and length. We allow for the exclusion of components to accommodate your build. Rear Derailleur: Shimano Ultegra R8050 Di2 11-speed short cage. Included in the group: $2,414.79. The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. SHIMANO ULTEGRA R8050 Di2 groupe R8050 dérailleurs. A definite update from 6870, and I absolutely loved it too. From France. An operation of components with different firmware versions may cause a malfunction or loss of function. The upcoming revamp of Dura-Ace is going to be 9070. Tiagra; Red eTAP; Chorus EPS; Record 12V. Freewheel / Cassette: Shimano 11-speed, 11-28T. The wider clearance makes it compatible with larger tire sizes such as 28C. Easy to fit and adjust and when out on the road the shifting is faultless. Todavía no lo he probado, pero es un precio competitivo. SHIMANO Ultegra Di2 … SHIMANO Ultegra Di2 ST-R8060 Di2 TT Brake/Shift Levers. If you prefer a configuration with the medium RD-R8050-GS rear derailleur or BR-R9110 Direct Mount brake calipers, please contact our service team. El modo manual es el sistema que todos los ciclistas de Dura-Ace Di2 y Ultegra Di2 tenían acceso hasta ahora. Les roues en aluminium TriMax 30 Disc de chez Vision proposent pour leur part, un excellent compromis entre le poids, la solidité et la polyvalence. ... ULTEGRA CX cyclocross groupe groupset 10 V speed AVID SHORTY 4 6 RITCHEY velo . Shimano Di2 Internal Wire Kit 3 Port. The new BR-R8000 offers a very sleek design, with narrower gaps between the arms. JGbike ~180g Lightweight 11 Speed Single Piece Cassette for Road Gravel cyclecross Bike, for Shimano Dura Ace Ultegra or SRAM Red Force for Triathlon - The Best Value Cassette Available. Rear Derailleur: Shimano Ultegra R8050 Di2 11-speed short cage. R8050 Series New ULTEGRA R8000 series is "pro-proven" as it is a direct trickle down from DURA-ACE groupset. Please enter your e-mail address below then click "Notify Me" to be notified when this item comes back into stock. 1. Crankset: Vision TriMax Compact TT Mega Exo, 52/36T, 48 -51cm: 165mm, 54 -56cm: 170mm, 58cm: 172.5mm. RRP . Shimano Dura Ace BL-TT79 TT/Tri Brake Lever (Swap to Shimano Ultegra R8060 Di2 TT/Tri Shift/Brake Levers for additional fee) 3. Electronic Dura Ace Di2 bar end shifter especially for TT/triathlon bars. Complete Shimano Ultegra R8000 11 speed triathlon TT groupset 9 pieces in total. $1,619.99. Baptisé Di2, le principal avantage de cette technologie est le réglage automatique du dérailleur en fonction … Cables Included: 2x 350mm, 1x 300mm, 1x 650mm, 1x 700mm, 1x 1000mm, Di2 Junction Boxes Included: SM-JC41 (Internal Frame Routing), SM-EW90-A (E-tube 3 Port) or optional EWRS910F (In-Frame junction box) or EWS910H (Bar-End junction box), Quick delivery. My first venture into electronic shifting and very impressed. $1,861.19. Buy It Now. So easy quick and look good. The shifting is seamless, with the new Ultegra brakes a massive improvement. SHIMANO Ultegra Di2 ST-6870 11-Speed Shifters. Shimano Dura Ace Di2 Shift Switch, SW-R9160, Bar end Switch for TT-Handlebar, … Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your setup to suit you. Ultegra Di2 R8050 11V. SELECT COMPONENT CATEGORY. im about to drop the bomb on a Canyon Speedmax TT bike. You just need the specific grommets for your bike frame. 6870 Series Pro Tour Technology Our ULTEGRA series is "pro-proven" as it is a direct trickle down from our DURA-ACE group. L’Ultegra Di2 est une « déclinaison abordable du groupe Dura Ace Di2 … 50-34, 52-36 and 53-39 teeth. You will be notified when the item comes back into stock. The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. Excellent, easy installation and it works without flaws. Intrgrates perfectly with garmin 530 and buttons on top of the levers provide 6 inputs to navigate the garmin. Shimano ultegra avis. Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 … R9150 Series System engineering at its peak. Actualités & Informations sur les énergies propres. Internal seatpost battery and charger included. It offers weight reduction without sacrificing stiffness. Find great deals on eBay for ultegra groupset. El grupo electrónico Ultegra (Shimano) es el escogido por Cervélo para el primer nivel de la S3. WHEEL. Shimano Ultegra ST-R8060 TT Brake levers with Di2 shifting - 11 Speed ... SM-JC40 6870 Ultegra Di2 and Dura Ace 9000 Junction for external wire routing. Get the best deals on Di2 TT when you shop the largest online selection at eBay.com. Shimano Ultegra Di2 R8050 Shifter Set. ... Shimano Di2 Internal Wire Kit 5 Port TT - for Internal Battery. C $622.29. And, with the 2018 model year, Shimano updated Ultegra to have the exact same form-factor and function as Dura-Ace, but without all the expensive materials. Free shipping. Partie électrique Shimano Ultegra Di2 R8050 TT Chrono pour groupe vélo contre-la-montre - Dérailleurs 2x11V - Shifters prolongateurs - Boitier Di2 3 ports - Batterie interne - Câbles Di2 - Chargeur Would never go back to manual gear change. Dual control levers for triathlon and time trial. R2000 Series. Description of Shimano Ultegra Di2 R8050 TT Group Set 2x11-speed - Mechanical Rim Brakes - Internal Cable Routing Employing the latest technologies from elite Dura Ace R9100 road components and through its proven System Engineering approach, Shimano’s Ultegra … SHIMANO Di2 SYNCHRO SHIFT IN A NUTSHELL. Ultegra Di2 uses the same battery as Dura-Ace Di2. The latest Shimano Dura Ace 9150, and now Ultegra 8050, Di2 systems includes Shimano Synchro Shift. The Shimano Dura-Ace R9150 Di2 road groupset delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential. 105 R7000 11V. 5.0 out of 5 stars 4. $320.01 $ 320. Retrouvez ici le test du groupe Dura-Ace Di2… The awesome news is that the two NEWER systems, 6770 and 9070, are cross-compatible. Primary Menu . Ceepo Viper R8050 Ultegra Di2 TT BikeReady for racing, this TT bike features a carbon fibre frame construction. Shimano Ultegra Di2 R8050 groupset for mechanical rim brakes. This website relies heavily on Javascript in order to operate fully, and it seems that this functionality is turned off in your web browser. - $819.00 - Shimano Ultegra 6870 Di2 Groupset Shimano Ultegra 6870 Di2 Groupset, new 11 speed Shimano electronic groupset The very latest Di2 groupset from Shimano, Ultegra 6870 is the Ultegra 6800 with the upgrade to electronic shifting. Agrandir l'image ... Groupe de transmission . Direct, fast and precise shifting. $999.00. Upgrade kit to upgrade your existing TT/Tri Shimano Mechanical group to Ultegra Di2 . $299.95 $ 299. Cycling tribe Store. Pre-Owned. R7000 Series. New levers are great. That means you can use Ultegra shifters with Dura-Ace derailleurs, vice-versa, etc. Shimano Ultegra R8060 Di2 22 Speed Time Trial/Triathlon Road Group Kit Groupset. The shifting is so crisp and quick. I trust it will deliver a good service, I'm confident of it's reliability and durability. The Ultegra R8070 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. Shimano D-Fly transmits data through a proprietary private ANT wireless protocol and allows riders to monitor Di2 gear position, battery life, as well as some other common rider data functions. Please enable Javascript to experience our website as intended. Brand New With Tags! Además, tanto el grupo Ultegra como Dura-Ace están disponibles en una versión Di2, es decir, con cambio electrónico. The Hollowtech II crankset will help you transfer more power into speed. I've always been a fan an enthusiast of Shimano products and cannot ever fault it on any of it's promises. Buy Shimano products online at Bike-Discount Bike Shop: Brand Shimano Ultegra Di2 BEST PRICE - Fast Delivery! ULTEGRA DI2 R8050; ultegra Disco Di2 Hidraulico. Only wish I done it sooner. Shimano Ultegra Di2 R8050/R8070 hydraulic groupset long-term review. Hubs, bottom bracket cups, battery and EW-SD50 wires are not included. Shop with confidence. Choose your build kit: Partial Groupset. SHIMANO ULTEGRA Di2 RD-6870-SS 11s Rear Derailleur Road Bike Short Cage New. CHAIN. Looks and works great. Shop with confidence. 5.0 out of 5 stars 1. The Di2 wireless unit is a compact wireless data transmitter. Free shipping The Shimano Dura-Ace R9150 Di2 road groupset delivers unparalleled performance, highly-refined ergonomics and immense customization to maximize every rider’s potential. PRODUCT > COMPONENT > DURA-ACE R9150 DI2. Achat Groupe Shimano Ultegra Di2 Prix En Ligne--- Read more reviews---achat groupe shimano ultegra di2 Tags: flight fr3252 vlucht fr3252 fr3252 weeze. $1,443.12. Buy your Shimano Ultegra Di2 R8070 groupset TT/Triathlon Disc internal battery built-in frame type online from starbike.com! From United States ... 3 product ratings - NEW Shimano Ultegra Di2 ST-R8050 Shifter Dual Control Levers Road Bike 2x11 Spd. New Shimano Ultegra Di2 R8060 Triathlon Time trial TT Upgrade Groupset SW-R9160. Crankset: Shimano Ultegra R8000, 52/36T, 48 -51cm: 165mm, 54 -56cm: 170mm, 58cm: 172.5mm. The ergonomically-enhanced Di2 … Quick shifting and nice and accurate. It's highly likely that 2021 will see the launch of a brand-new 12-speed Dura-Ace groupset, we dig into rumours and speculate on what could be coming next. Ultegra R8050 Build Kits-Custom Wheels. Shimano Ultegra R8050 Di2 braze-on. Purchase durable and efficient shimano di2 at Alibaba.com for various bike models on discounts. These cheap shimano di2 are galvanized, sturdy and customizable. SHIMANO Ultegra Di2 ST-6870 11-Speed Shifters. ULTEGRA. 10 watching. 95. It stands for state-of-the-art technology, proven in pro races, the technology used in ULTEGRA … El grupo: Ultegra Di2 . Shimano R8060 Di2 TT groupe électronique ULTEGRA R8060 dérailleurs vélo de route ST + FD + RD pièces électroniques € 906,10 - 920,49 / pièce | 2 Commandes. With Synchro Shift technology. … If you want an electronic upgrade, you will not go wrong with the 8050 groupset. The Shimano Ultegra Di2 RD-R8050-SS rear derailleur features the group-specific sleek integrated appearance. Shimano Ultegra R8050 Di2 11 Speed Groupset. Updated Aug-2019Added SR EPS 12 speed, and filled in some missing weights Rolling updates as new Shimano, SRAM & Campagnolo groups are released. Parts without bond group Label Sale (3) with test result (3) Brand Shimano (50) Colour Shimano Ultegra Di2 Sort: Shimano Ultegra Di2 11-speed Rear Derailleur RD-R8050 SS. The shifting is exactly the same but at a fraction of the price. Crisp with great battery life so far. FREE Shipping. The DNA for both the mechanical and electronic version of the group is the same. FREE Shipping. CASSETTE SPROCKET. Got it? Accueil; Nature; Développement durable; Energie; Vie quotidienne JGbike ~180g Lightweight 11 Speed Single Piece Cassette for Road Gravel cyclecross Bike, for Shimano Dura Ace Ultegra … Les vitesses passent bien et les poignées sont ergonomiques Pour avoir également un Dura ace di2, Shimano assure le coup sur le segment des groupes haut de gamme, performant et accessibl La nouvelle série ULTEGRA R8000 a été éprouvée sur le circuit professionnel.Elle est la déclinaison abordable du groupe DURA-ACE. El modo manual proporciona un ajuste automático en el desviador delantero, pero sin existir una corrección de marchas basado en la acción directa ni del cambio ni del desviador delantero. Shimano Ultegra Di2 R8050 TT Group Set 2x11-speed - Mechanical Rim Brakes - External Cable Routing, Shimano Ultegra Di2 R8050 Groupset 2x11-speed - Mechanical Rim Brakes, Shimano Ultegra Di2 R8050 / R8070 Groupset 2x11-speed - Hydraulic Disc Brakes - Flat Mount, Shimano Ultegra Di2 ST-R8060 STI for Rim Brakes - 2x11-speed - Pair, Shimano Dura Ace Di2 SW-R9160 Bar End Shifter for TT/triathlon, Shimano Ultegra FC-R8000 Crankset 2x11-speed, Shimano Ultegra Di2 FD-R8050 Front Derailleur 2x11, Shimano Ultegra Di2 RD-R8050-SS Rear Derailleur - 11-fach - short, Shimano Ultegra Di2 R8050 TT Group Set 2x11-speed - Mechanical Rim Brakes - Internal Cable Routing, Shimano Di2 EW-RS910 Junction for Bar / Frame - fits Dura Ace / Ultegra, Shimano SM-JC41 Junction Box for Di2 - internal, Shimano Di2 SM-BCR2 USB-Charger for SM-BTR2 + BT-DN110 - black, Shimano CN-HG701-11 Chain 11-speed - without Quick Link - 116 links, Shimano Ultegra Di2 ST-R8060 STI for Rim Brakes - 2x11-speed - right, Shimano Ultegra Di2 ST-R8060 STI for Rim Brakes - 2x11-speed - left, Chainring, number of teeth | Crank Arm Length 50-34 | 165mm, Chainring, number of teeth | Crank Arm Length 50-34 | 170mm, Chainring, number of teeth | Crank Arm Length 50-34 | 172.5mm, Chainring, number of teeth | Crank Arm Length 50-34 | 175mm, Chainring, number of teeth | Crank Arm Length 52-36 | 170mm, Chainring, number of teeth | Crank Arm Length 52-36 | 172.5mm, Chainring, number of teeth | Crank Arm Length 52-36 | 175mm, Chainring, number of teeth | Crank Arm Length 53-39 | 165mm, Chainring, number of teeth | Crank Arm Length 53-39 | 170mm, Chainring, number of teeth | Crank Arm Length 53-39 | 172.5mm, Chainring, number of teeth | Crank Arm Length 53-39 | 175mm, Sprocket Ratio 11-32 (medium rear derailleur only), Dura Ace Di2 SW-R9160 bar end shifter (pair), Ultegra BR-R8000 brake caliper (front + rear), Ultegra Di2 RD-R8050-SS rear derailleur (short). The original Dura-Ace Di2 was 7970. They share the same 4-arm … The Ultegra R8050 Di2 groupset is the latest development in the evolution of the electronic groupset from Shimano. Shimano Ultegra Di2 FD-R8050 front derailleur. Kit includes. It stands for state-of-the-art technology, proven in pro races, the technology used in ULTEGRA 6800 series with 11-speed, advanced designed brakes, latest chain treatment etc. (sur mon ultegra di2 par exemple, la vis de support (support-bolt) n'était pas serrée, le grand plateau passait très mal du coup, la doc a résolu mon souci et mon di2. includes all cables and junction box. Is United Kingdom the default delivery country? Top Rated Seller Top Rated Seller. Shimano Ultegra Di2 R8050 groupset for hydraulic disc brakes. Not including the off setting (which has functionality on the road versions, but not the TT versions), there are two varieties of Shimano Di2 Synchro Shift available: Semi and Full. 95. Ultegra Di2 shifters are $445; Dura-Ace Di2 are nearly double that at $930. Our ULTEGRA series is "pro-proven" as it is a direct trickle down from our DURA-ACE group. (change country). Refined rider ergonomics, increased shifting performance and confident control in all conditions. Record EPS; Super Record EPS Super pleased. Brand New. Una elección acertada, pues Ultegra 8070 Di2 funciona a la perfección y no se aleja demasiado (solo unos pocos cambios en el material y el proceso de … Awesome set and includes basically everything to set up the Di2 system (including the Di2 tool). 7710 Series. Shimano Ultegra 8050 Di2 … ... New Shimano Ultegra Di2 R8060 Triathlon Time trial TT Upgrade Groupset SW-R9160. The new FD-R8050 is redesigned to fit a wider gear pitch without sacrificing shifting performance. C $1,712.61. Retrouvez ici le test du groupe Dura-Ace mécanique. FREE Shipping. El ángulo de inclinación se ha optimizado aún más para permitir que el cambio trasero Di2 cubra un amplio rango de 11 … $169.97 $ 169. Groupe électrique route Shimano Ultegra Di2 : prestations Premium et prix accessible Le groupe de transmission Shimano Ultegra Di2 R8050 est un groupe électronique pour vélos de route à 2 x 11 vitesses. This product ordered is exactly what I wanted and does exactly what it was intended to do. 4700 Series. Shimano Ultegra ST-R8060 DI2 STi TT Brake Levers & Shifters. Transmission Shimano Ultegra Di2 R8050 - composants Ultegra Di2 is all you really need. Shimano Ultegra Di2 ST-R8070 STI. Vidéo complète du montage et de l'installation d'un groupe Shimano électronique / électrique AC-TOURAINE (Avenir Cycliste Touraine) Taking technology from the Dura-Ace Di2 groupset while at the same time refining the previous version of their Ultegra Di2 groupset Shimano have tweaked the ergonomics of their Di2 shifters and included more shifting options to enable you to fine tune your setup to suit you. Everything you need to upgrade your bike. FREE Shipping. Find great deals on eBay for shimano ultegra di2 groupset. The latest electronic groupsets are getting better and better. Free shipping on many items ... New 2020 Shimano Ultegra R8050 Di2 TT Electronic 11s Upgrade Group Kit INT/EXT. Description. We have eliminated the switch box to make the … 5.0 out of 5 stars 4. ... 11 speed model for the Ultegra groupset and the new XT 11 speed group… Groupset Contains: STI, ST6870 Di2 Rear Derailleur, RD6870 Di2 Front Derailleur, FD6870 Di2 … Chain: Shimano 11-speed. The black feels more premium that the dark grey of the 6800 setup I had. Manufacturers are pricing Ultegra Di2-equipped bikes around $4,000 and up — not exactly cheap, but nowhere near the $8,000-$12,000 commonly asked for Dura-Ace Di2 models. Shifts flawlessly and looks awesome doing it. Partie électrique Shimano Ultegra Di2 R8050 TT Chrono pour groupe vélo contre-la-montre - Dérailleurs 2x11V - Shifters prolongateurs - Boitier Di2 3 ports - Batterie interne - Câbles Di2 - Chargeur In general, every electronic Di2 component is compatible between the Ultegra 6770, 6870, and Dura-Ace 9070 systems (see exceptions below.) Shimano Dura-Ace Di2 R9160 (aero extension) with right hand SW-R600 secondary shifter (base bar) Front Derailleur: Shimano Ultegra R8050 Di2 braze-on. Internal cabling can get a bit tricky, but enough patience with the included brake wire and tape will work. The Ultegra R8060 has also been optimised for wider rims and tyres. Without looking, you`d think you were riding Dura Ace. FRONT HUB. Skip to main content. With improved clearance for wider rims and tyres as well as a new Shadow Technology rear derailleur that gives a lower, more aero profile and increased protection from crash damage the Shimano Ultegra R8050 Di2 groupset marks a significant development in the evolution of Shimano’s Di2 electronic drivetrain.