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.Material: AluminiumBolt Pattern: 4 BoltChainring BCD: 110mm
The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies. HYPERGLIDE+ Smooth and Efficient Gear Shifting HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting. HYPERGLIDE+ drivetrain’s redesigned cassette and chain promote the next generation of competitive bike riding by enhancing speed, shifting efficiency and smoothness over any terrain. Benefits and Features Better chain engagement, stronger retention, and smoother pedalling provide greater power and confidence over rapidly changing terrain. Definitive up and downshifting in both directions boost riders’ concentration and acceleration. An ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress. A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of riding styles, abilities and preferences.
Shimano Ultegra R8100 12 Speed CassetteThe Ultegra R8100 12 Speed Cassette from Shimano is optimised to shift with exceptional smoothness and precision. It features Shimano's Hyperglide+ gear shifting technology for outstanding gear shifting accuracy and efficiency. And it's compatible with Shimano 12-Speed drivetrain systems.The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies. HYPERGLIDE+ Smooth and Efficient Gear Shifting HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting. HYPERGLIDE+ drivetrain's redesigned cassette and chain promote the next generation of competitive bike riding by enhancing speed, shifting efficiency and smoothness over any terrain. Key Features: Better chain engagement, stronger retention, and smoother pedalling provide greater power and confidence over rapidly changing terrain. Definitive up and downshifting in both directions boost riders' concentration and acceleration. An ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress. A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of riding styles, abilities and preferences.Features: Series: Ultegra R8100 Series Type: HYPERGLIDE+ Compatible Chain: Shimano HG 12-Speed Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedalling force Compatible with new 12-Speed and road 11-Speed FREEHUB body Average Weight: 291g (11-30T); 345g (11-34T)A 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.
Shimano Ultegra R8100 12 Speed CassetteThe Ultegra R8100 12 Speed Cassette from Shimano is optimised to shift with exceptional smoothness and precision. It features Shimano's Hyperglide+ gear shifting technology for outstanding gear shifting accuracy and efficiency. And it's compatible with Shimano 12-Speed drivetrain systems.The uninterrupted shifting experience of the ULTEGRA R8100 12-Speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-Speed FREEHUB bodies. HYPERGLIDE+ Smooth and Efficient Gear Shifting HYPERGLIDE+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano ULTEGRA R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing HYPERGLIDE FREEHUB bodies. All this while increasing to 12-gears, ULTEGRA CS-R8100 cassettes are the new paradigm in road shifting. HYPERGLIDE+ drivetrain's redesigned cassette and chain promote the next generation of competitive bike riding by enhancing speed, shifting efficiency and smoothness over any terrain. Key Features: Better chain engagement, stronger retention, and smoother pedalling provide greater power and confidence over rapidly changing terrain. Definitive up and downshifting in both directions boost riders' concentration and acceleration. An ultra-efficient drivetrain with smoother power transmission increases comfort and reduces rider stress. A wide range of gearing choices, cassette options and the choice of a single or double front chainring, support a wide variety of riding styles, abilities and preferences.Features: Series: Ultegra R8100 Series Type: HYPERGLIDE+ Compatible Chain: Shimano HG 12-Speed Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situation Faster, smoother shifts under maximum pedalling force Compatible with new 12-Speed and road 11-Speed FREEHUB body Average Weight: 291g (11-30T); 345g (11-34T)A 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.
Shimano Ultegra ST-6800 ShifterThis shifter has a light shift action and economical design, paired up with carbon lever blades. Developed to work with Shimano Ultegra 6800 front and rear mechanical derailleurs.This Shimano Ultegra ST-6800 11-Speed STI Shifter offers an increase in accuracy and shifting precision over earlier models. The ergonomic design of this shifter/brake-lever has a greater reach for adjusting your brake and gear levers and has an updated internal shifting unit to offer quick and intuitive shifting. Compatible with caliper rim brakes and mechanical road disc brakes.Compatible with 11-Speed Shimano Ultegra 6800 derailleurs, will also work with Dura-Ace 9000 11-Speed components.Features: Material: Carbon Fibre (brake lever) Shift Cable: Polymer coated Compatibility: For use with R8000 mechanical front and rear derailleurs Drivetrain Speed: Shimano 2x11-Speed Ergonomic design with greater reach Light action, define click engagement, vivid index shifting Updated internal shifting unit Powerful and controllable braking system Please Note: Supplied with inner gear cables only and does not include brake cables. Single or Pair: Single, sold individually Weight: 425g (Set)A 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.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
Shimano Ultegra 6800 Double 11 Speed ChainsetThe Ultegra 6800 11-Speed Double Chainset from Shimano offers an ideal balance of lightweight 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. Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity. Features: Crank Construction: Hollowtech II Cassette Compatibility: CS-6800 Chain Compatibility: CN-6800 Hyperdrive Weight: 797gBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
This Shimano Ultegra 6800 outer chainring is a genuine replacement for Ultegra FC-6800 4-bolt chainsets. For best shifting performance please take a note of the matching inner rings these outer rings need to be paired with. Please note: Only the outer chainring will be supplied. Sold individually.
Shimano Ultegra FC6800 11sp Double ChainringsGenuine Shimano replacements and specifically for the Ultegra FC6800 chainset, these chainrings bring you the perfect blend of durability and low weight. Available in a range of tooth count options, they enable you to fine tune your drivetrain to your own preference and the type of roads you ride.Features:Material: AluminiumTeeth: 34T, 36T, 39T, 46T, 50T, 52T, 53TBolt Pattern: 4-BoltChainring BCD: 110mm (Shimano specific asymmetric design)Chain Compatibility: 11-speed/doubleManufacturer Reference Codes:Grey 110mm 53T: Y1P498080; Grey 110mm 52T: Y1P498070; Grey 110mm 50T: Y1P498060; Grey 110mm 46T: Y1P498050; Grey 110mm 39T: Y1P439000; Grey 110mm 36T: Y1P436000; Grey 110mm 34T: Y1P434000A 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.
Key Features:Lightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes,Hyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wear,Wide gear range to meet the demands of all types of rider,For use with 12-speed chains.
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
The uninterrupted shifting experience of the Shimano Ultegra R8100 12-speed cassette range lets you climb, sprint, or cruise without stopping to think about your next gear change. Larger driving cogs maximize drivetrain efficiency and create compatibility with both Shimano 11 and 12-speed Freehub bodies.Refined 12 step gear combination provides peak efficiency and accelerating performance for every racing situationFaster, smoother shifts under maximum pedalling forceCompatible with new 12-speed and road 11-speed Freehub bodyLightweight 12-speed HG+ cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changesHyperglide+ sprockets have been designed to reduce weight with improve teeth shaping providing accurate shifting and reduced wearWide gear range to meet the demands of all types of riderFor use with 12-speed chainsHyperglide+ cassettes revolutionized off-road shifting with its seamless shifts both up and down the gear range. Now it's time for the technology to change road cycling. Even during maximal efforts up a climb or racing a friend, riders no longer need to back off to perform a shift. In any gear, Shimano Ultegra R8150 drivetrains maximize efficiency thanks to larger cogs and retain compatibility with existing Hyperglide Freehub bodies. All this while increasing to 12-gears, Ultegra CS-R8100 cassettes are the new paradigm in road shifting.