The HollowTech II 11-speed Ultegra chainset offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders HollowGlide hollow outer chainring gives vast improvements in rigidity by virtually removing outer chainring flex and hugely improves shift performance, even under high load The chainring teeth have been developed to work in conjunction with 11-speed HG-EV chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm and 410mm chain stay length A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)
Shimano Ultegra R8000 175mm 46-36T CX ChainsetShimano Ultegra R8000 has been developed to offer the best balance of stiffness, weight, and rotational performance. This updated design gains all of the performance benefits of its top-tier sibling, Dura-Ace 9000. Ultegra R8000 now features the same lightweight crank arms and hollow outer chainring to reduce weight without sacrificing stiffness. The enhanced rigidity maximises power transfer and ensures optimal pedalling efficiency. A wider gear pitch offers increased clearance on modern road frames that are engineered to be wider and longer at the rear. This 46-36T chainset is tuned for cross, offering enthusiasts and racers alike the optimal gear ratio to overcome the steep climbs and obstacles typical of the toughest cross circuits. The wider gear pitch increases clearance between the chain and leading teeth, ensuring compatibility with frames of O.L.D. 135mm and 410mm chainstay length. A hollow outer chainring greatly improves rigidity by removing flex, resulting in more consistent shifting even under high load. SpecificationsAverage Weight: 668g Chainrings: 46-36T Crank Length: 175mm Q-Factor: 146Chain Line: 43.5 Compatible Chain: Linkglide, Hyperglide 11-speed P.C.D.: 110mm
The new Shimano Ultegra R8000 shift levers offer powerful braking and effortless 11-speed shifting,making them the ideal choice for both enthusiasts and competitive riders.The shifters feature a redesigned internal shifting unit that reduces resistance and makes the transition from one gear to the next a seamless experience, even when put under loads.Weighing 440 grams per pair the shifters feature an adjustable reach and have been ergonomically redesigned for improved ergonomic comfort in your hand, so you can benefit from better all-around usability.2x11 SpeedCarbon leversRedesigned internal shifting unitGreater reach rangeWeight: 220g (Per Shifter)
Shimano Ultegra R8000 Jockey WheelsReady to get your rear derailleur working smoothly again, these Ultegra R8000 Jockey Wheels spin freely on fully sealed cartridge bearings. Created by Shimano to get the most out of your 11-Speed Shimano drivetrain, their low-friction design ensures better power delivery and slick gear shifts.Features: Speed: 11-Speed Use: Road, Gravel, Mountain Bike (MTB) Compatibility: Shimano Ultegra R8000R8050RX800GRXDeore XT M8000Deore XT M8050Precision sealed bearings keep the drivetrain smooth and friction-free Manufacturer's Part Number: Y3E998010A 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
It was never going to be easy to improve on the Ultegra 6800 but there are clear improvements with its aesthetics and performance. Shimano has evolved the Ultegra series, which hugely benefits from the joys of its bigger brother's technology, Dura-Ace R9000. Infused with state-of-the-art technology, the Shimano Ultegra R8000 groupset is superbly stiff, light, and responsive. This Ultegra groupset is a major upgrade on any racing or training road bike. Shimano Ultegra R8000 Hollowtech II Crankset This FC-R8000 Hollowtech II Crankset will make sure you transfer power into speed. With the added bonus of offering weight reduction without sacrificing stiffness, this crankset supports a wide range of gear combinations to suit the fastest downhill section and the steepest mountain pass. The crankarm is redesigned to provide your bike with a fine aesthetic upgrade. Features: Bolt Circle Diameter: 4x110mm asymmetric Chainline: 43.5mm New 4-arm design for a stiff, lightweight performance Hollowtech II construction Hollowglide chainrings 11-Speed Compatible Same bolt circle diameter for compact and traditional double chainsets means that one crankarm fits all chainring sizes Weight: 681g (52-36T), 674g (50-34T) Dual Control Shifters Set STI Ultegra R8000 Offering an increase in accuracy and shifting precision, these Dual Control Levers have a greater reach for adjusting your break and gear levers. The internal shifting unit is updated to offer quick and intuitive shifting. *Please Note: Supplied with inner Gear cables only and does not include brake cables. Features: Material: Carbon Fibre (brake lever) Shift Cable: Polymer coated Ergonomic design with greater reach Light action, define click engagement, vivid index shifting Updated internal shifting unit Powerful and controllable braking system Weight: 438g (Set) Ultegra Rear Derailleur R8000 The RD-R8000 reduces shifting effort at the lever whilst retaining a quick and precise response. Featuring integrated Shadow RD Technology with its race-proven, low-profile design, the rear derailleur is more compact and fits closer to the frame, ensuring less damage in a crash. Features: Shadow RD Technology Precise and accurate shifting Weight: 200g (Short Cage) Ultegra Front Derailleur R8000 The FD-R8000 evolves to provide an ultra-smooth shifting action that flawlessly moves your chain up and down whenever required. with zero delays, you can enjoy a shift that is crisp and concise. Features: Mounting Type: Braze-on Newly designed pull arm for more direct and easy shifting Weight: 92g Ultegra Brake Set R8000 Enhanced with a new, sleek design, the Ultegra caliper brake has narrower gaps between the arms for a reduced profile and compatibility with 28c tyres. The stabiliser between the axles improves braking performance by delivering clear contact to bring you to a balanced stop. Features: Balanced stopping action Smooth and light operation with increased modulation Compatible with up to 28c tyres Weight: 360g (Set) 11-Speed R8000 Ultegra Cassette At the heart of Shimano's 'rider-tuned philosophy' lies their belief in offering superior choice. With a huge range of cassette options, you'll conquer any terrain. Features: Speed: 11-Speed Tooth Count: Separate 11-28T, 11-25T and 11-32T options Weight: 232g Shimano HG701 Ultegra and XT 11 Speed Chain Featuring a durable stainless steel build with a range of performance-enhancing technologies, the Shimano HG701 Ultegra and XT 11 Speed Chain offers smooth, crisp shifting for both road cycling and mountain bike (MTB) riding. Speed: 11-Speed Links: 114 Weight: 257g Technologies: Shadow RD: Traditional derailleurs extend wider than the profile of your bike. With its low-profile design, Shadow RD is a more compact derailleur that fits closer to the frame, with more direct cable routing. Shadow RD maintains a consistent distance to the cassette for increased shift stability. The reduced body width creates a sleek and smooth appearance, ensuring less damage in a crash. Please note that this groupset does not come supplied with outer cables. Front mech support plates not included. A 2-year warranty is offered with all Shimano products. Manufacturer's Part Numbers: R800017050341128P Grey 50/34T x 11-28 170mm R800017250341128P Grey 50/34T x 11-29 172.5mm R800017550341128P Grey 50/34T x 11-30 175mm
Shimano Ultegra R8000 Road Brake Caliper This Brake Caliper from Shimano features a new streamlined design that benefits from a lightweight composition and wider clearance making it suitable for larger tyres including 28c. The wider clearance makes it compatible with larger tyre sizes such as 28C. There is also a stabilizer between the axles that reduces deformation and improves the braking efficiency, offering a clear contact feeling with balanced rigidity, weight and stopping power. Plus, the axle stabiliser offers enhanced braking and ensures balanced and controlled braking power.Features: Brake Type: SLR EV Dual Pivot Single Brake Caliper Clear contact feeling with balanced rigidity, weight, and stopping power More predictable, linear braking curve Narrower gap between arms Compatible with wider 28c tyres Sleek design Stabiliser between axles reduces deformation and improves braking efficiency Sold individually Weight: (Front/Back): 183g; 180gA 2-year warranty is offered with all Shimano products from Chain Reaction Cycles (3 years on Dura-Ace and XTR products).Buy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Super lightweight carbon Shimano Ultegra R8000 SPD-SL road pedals designed to work with the Ultegra groupset for high performance road racing.Weighing only 248 grams per pair the new and improved Ultegra R8000 pedals use a wider carbon body to deliver a large shoe contact area, relieving pressure and providing a large base through which to put down your power. A 10mm body height from the axle's centre to the top of the cleat assures a low stack height, giving you better connection and reduced weight.A large binding target allows a quick and easy engagement while wide cleats provide more efficient pedalling. The pedal uses a stainless steel body plate over the carbon for increased durability and a low maintenance sealed cartridge axle unit for a long life and smooth rotation.Lightweight carbon body10mm Body height from axle centre to cleat contact surfaceStainless steel pedal bodyLow maintenance sealed cartridge axle unitOpen design for easy access & cleat adjustmentPedal system: SPD-SLWeight: 248gIncludes SH11 Cleats
Super lightweight carbon Shimano Ultegra R8000 SPD-SL road pedals designed to work with the Ultegra groupset for high performance road racing. Weighing only 248 grams per pair the new and improved Ultegra R8000 pedals use a wider carbon body to deliver a large shoe contact area, relieving pressure and providing a large base through which to put down your power. A 10mm body height from the axle's centre to the top of the cleat assures a low stack height, giving you better connection and reduced weight. A large binding target allows a quick and easy engagement while wide cleats provide more efficient pedalling. The pedal uses a stainless steel body plate over the carbon for increased durability and a low maintenance sealed cartridge axle unit for a long life and smooth rotation.Super lightweight carbon SPD-SL road pedal for high performance road racingWide lightweight carbon body provides large shoe contact area to maximise power transfer and support whilst reducing weightLow profile design increases road clearance for increased confidence when slicing through cornersExtended axle adds 4mm to the distance between the crank and the foot position allowing riders with naturally wider hips to maintain correct leg and foot alignment on the pedalsLarge binding target allows quick engagement while wide cleats provides more efficient pedallingStainless steel pedal body plates for increased durabilityOpen design allows for easy access and cleat adjustmentLow maintenance sealed cartridge axle unitIncludes SH11 cleatsWeight: 248 grams per pair
Precision-engineered Ultegra STI levers with carbon levers offer powerful braking and effortless 11-speed shifting, making them the ideal choice for both enthusiast and competitive riders Shift cables are routed under the bar tape: re-development and positioning of the internal mechanism in combination with Polymer coated cables have made this possible, providing faster, lighter and smoother shifting Vivid indexing provides a constant amount of shift lever force across all 11 sprockets Ergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear changes Powerful and controllable braking thanks to SLR-EV compatibility Tuneable reach adjusters enable custom fitment for all hands
The brake mounts of BR-R8010 connect directly to the frame, reducing redundant parts and increasing overall braking performance.
The brake mounts of BR-R8010 connect directly to the frame, reducing redundant parts and increasing overall braking performance.
The Shimano Ultegra R8010 Direct Mount brake calipers have been completeley redesigned for even greater braking performance.Cutting the weight and mounting straight to your front forks, the Shimano Ultegra R8010 Direct Mount Front Brake Caliper is designed to deliver measured and powerful braking. Compatible with direct mount front forks, this low profile and aerodynamic alternative to traditional brake calipers is made from a lightweight aluminium and arranged using a Super SLR-EV Dual-Pivot design, offering an enhanced brake arch and motion to apply an even force on your wheel.The brake uses a low profile outer cable stop position that improves cable routing for reduced friction and convex washers on the brake shoes offer toe-in brake adjustment and easy alignment. The calipers are also compatible with 28c tyres and must be used in conjunction with super SLR levers for correct leverage ratio.With an ideal balance of lightweight and stiffness, Ultegra components are the perfect choice for both enthusiasts and competitive riders.SLR-EV Dual pivot designLow profile aerodynamic direct mountCartridge brake shoes for easy replacementAdded clearance for compatibility with 28C tyre sizeMust be used in conjunction with super SLR leversWeight: 174g (Front) 160g (Rear)