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Shimano Ultegra 6700 10 Speed Road Cassette - Silver - 12-25t}, Silver
  • £74.99

Shimano Ultegra 6700 10 Speed Road CassetteManufactured from a tough alloy, this 10-speed Ultegra cassette brings you the perfect mix of low weight and durability. Equipped with Shimano's Hyperglide shifting technology, it will consistently deliver clean and crisp gear changes, even when you're pedalling hard on a sprint or a climb.Reasons to Buy: Tough Alloy construction. 10 speed. Lightweight and durable.Hyperglide shifting technology.Features: Material: Alloy Speed: 10-speed Compatibility: 10-speed chains and all Shimano 10-speed road rear derailleurs Use: Road 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 Weight: 208g (11-23T)Please Note: This product does not come with a spacer.Manufacturer Reference Codes: 11-25T: CS670010125; 11-23T: CS670010123; 11-28T: CS670010128; 12-25T: CS670010225; 12-30T: CS670010230A 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.

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Shimano Ultegra R8100 12 Speed Cassette - Silver - 11-34t}, Silver
  • £119.99

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.

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Shimano Ultegra R8100 12 Speed Cassette - Silver - 11-30t}, Silver
  • £119.99

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.

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Shimano Ultegra 6600 10 Speed Cassette - Grey - 14-25t}, Grey
  • £71.99
  • RRP £79.99
  • Saving you £10

Shimano Ultegra 6600 10 Speed CassetteDesigned for high performance 10-speed road bikes, mainly aimed at racing juniors and lower teeth. The hyperglide sprockets have been specially computer designed to create a specific configuration that results in a smooth shift even when under high impact.FeaturesWeighs 235gDesigned for super narrow 10 speed HG chainsSprockets cut away and drilledReduced weightClose ratio gearingBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra 6600 10 Speed Cassette - Grey - 16-27t}, Grey
  • £71.99
  • RRP £79.99
  • Saving you £10

Shimano Ultegra 6600 10 Speed CassetteDesigned for high performance 10-speed road bikes, mainly aimed at racing juniors and lower teeth. The hyperglide sprockets have been specially computer designed to create a specific configuration that results in a smooth shift even when under high impact.FeaturesWeighs 235gDesigned for super narrow 10 speed HG chainsSprockets cut away and drilledReduced weightClose ratio gearingBuy Shimano Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 12-25t}, Silver
  • £55.49
  • RRP £84.99
  • Saving you £35

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 11-30t}, Silver
  • £74.99
  • RRP £89.99
  • Saving you £17

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 11-28t}, Silver
  • £66.39
  • RRP £84.99
  • Saving you £22

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 11-32t}, Silver
  • £74.99
  • RRP £89.99
  • Saving you £17

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 11-25t}, Silver
  • £53.99
  • RRP £84.99
  • Saving you £36

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra R8000 11 Speed Road Cassette - Silver - 14-28t}, Silver
  • £71.99
  • RRP £89.99
  • Saving you £20

Shimano Ultegra R8000 11 Speed Road CassetteA model that Shimano enthusiasts have been waiting for, the Ultegra R8000 is now here. Updated and refined from previous models, it brings you the same technologies as seen on the top-end Dura-Ace range. This 11 speed road cassette is low in weight, highly durable and made in a wide range of tooth count options to suit your riding style and the terrain you ride on.Features:Use: Road  Speed: 11-speed  Compatibility: Shimano style 9,10 and 11 speed freehubs, 11 speed road drivetrains  Rider-tuned  DurableWeight: 232g (11-25T), 251g (11-28T), 269g (11-30T), 243g (12-25T), 300g (14-28T), 292g (11-32T)Manufacturer Reference Codes:  11-25T: CSR8000125; 11-28T: CSR8000128; 11-30T: CSR8000130; 11-32T: CSR8000132; 12-25T: CSR8000225; 14-28T: CSR8000428A 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.

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Shimano Ultegra HG800 Cassette (11 Speed) - Silver - 11-34t}, Silver
  • £85.00
  • RRP £94.99
  • Saving you £11

Shimano Ultegra HG800 Cassette (11 Speed)The HG800 is Shimano’s 11 speed Ultegra cassette with a wide range ratio of 11-34t and designed to be used with a medium or long cage derailleur.With its high-end sprockets, this 11-speed road bike cassette delivers outstanding drivetrain performance and superior shifting. Ideal for gravel bikes, it will get you quickly to speed and help you take on steep climbs. Designed to combine with any Shimano 11-speed rear derailleur, you'll enjoy efficient gear changes and smooth operation. In addition to the smooth performance, the cassette is built around an aluminium fibre spider and has drilled out sprockets to reduce the overall weight.Features:Material: Aluminium (spider), Steel (sprockets), Aluminium (lockring)Compatible Chain: HG-EV, HG-X (11-Speed)Shifting: Hyperglide (HG)Use: MTB, Road Manufacturer's Part Number: CSHG800134 11-34T requires use of longer mid cage Ultegra rear derailleurs 11-13-15-17-19-21-23-25-27-30-34TWeight: 335g

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