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Shimano Sora HG50 9 Speed Road Cassette - Silver - 13-25t}, Silver
  • £25.99
  • RRP £34.99
  • Saving you £26

Shimano Sora HG50 9 Speed Road CassetteWith its nickel-plated sprockets that also have Shimano's Hyperglide technology, this Sora cassette is an ideal choice for your 9-speed road bike drivetrain. Benefiting from CAD design on the sprocket's teeth and contoured shifting gates, it delivers clean gear changes even under hard pedalling. Highly durable and corrosion resistant, its tight tooth steps between the sprockets gives you a smooth cadence as you build up your speed on the flat or attack a steep climb.Features:  Use: Road  Speed: 9-speed  Compatibility: Shimano style 9-11 speed freehubs/9-speed road drivetrains    Sprockets are cut away and drilled to reduce weight without reducing rigidityCorrosion-resistant steel cassette lockringUse with super narrow 9-speed HG chains for optimal performanceWeight: 270g (12-23T)  Manufacturer Reference Codes:13-25T: CSHG509325; 12-25T: CSHG509225; 14-25T: CSHG509425; 11-30T: CSHG509130A 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 Altus HG31 8 Speed MTB Cassette - Black - 11-32t}, Black
  • £17.98
  • RRP £20.99
  • Saving you £14

Shimano Altus HG31 8 Speed MTB CassetteEnjoy a smooth and reliable performance, no matter what challenge you meet on the trail, thanks to this mountain bike (MTB) cassette from Shimano. Benefiting from a wide cassette ratio of 11-32 Teeth (T) for low gear results and a wide variety of gear choices, this cassette from Shimano features a HyperGlide (HG) sprocket design for fast and smooth shifting that won't let you down. Features:Use: Mountain Bike (MTB)Cassette Ratio: 11-32TSpeed: 8 SpeedHyperGlide Sprocket Design: Special 8-speed HG Sprocket design ensures fast and positive shiftingChain Compatibility: 3/32”Weight: 315gA 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 Dura-Ace 7900 10 Speed Road Cassette - Silver - 12-27t}, Silver
  • £154.99
  • RRP £199.99
  • Saving you £23

Shimano Dura-Ace 7900 10 Speed Road CassetteThis Dura-Ace 10-speed cassette is typically lightweight and designed for maximum performance. Featuring four titanium cogs, the new Dura-Ace 7900 cogset has further improved shifting quality by creating a more rigid aluminium carrier unit along with a re-engineered tooth profile. The Shimano Dura-Ace 7900 10-Speed Road Cassette shaves 10 grams from the previous model without sacrificing strength; the close gear ratios allow effective and efficient cadence control.Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlLargest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity4 largest sprockets are made from titanium to reduce weight without sacrificing strengthSprockets are extensively cut away and drilled to further reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionAlloy cassette lockringSpecifications:Sprocket Carrier: AlloyNumber of Sprockets: 10-speedSprocket Material: Steel/TitaniumChain Compatibility: Super Narrow HG for 10-speedWeight: 163g (11-23T)Cassette Gearing:11-21T: 11-12-13-14-15-16-17-18-19-2111-23T: 11-12-13-14-15-16-17-19-21-2311-25T: 11-12-13-14-15-17-19-21-23-2511-27T: 11-12-13-14-15-17-19-21-24-2711-28T: 11-12-13-14-15-17-19-21-24-2812-23T: 12-13-14-15-16-17-18-19-21-2312-25T: 12-13-14-15-16-17-19-21-23-2512-27T: 12-13-14-15-16-17-19-21-24-27A 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 SLX M7000 11 Speed Cassette - Silver - 11-46t}, Silver
  • £74.99

Shimano SLX M7000 11 Speed CassetteThis 11-Speed cassette from Shimano has been influenced by their higher-end XT and XTR models, but at a cost that won't break the bank. This cassette features a machined tooth profile for slick shifting and a durable Dyna-Sys11 rhythm step gearing that helps to enhance your pedalling thanks to its small steps between tooth counts on your go-to gears, meaning you can benefit from quicker and smoother pedalling, with no extra output.  Features: Redesigned cassette with trail riding in mind The 3 largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Suitable for use with 1x or 2x cranksets Part No: C5-M7000-11Tooth ratio: 11-13-15-17-19-21-24-27-31-35-40 Sprockets are cut away and drilled to reduce weight without reducing rigidity Ratio: Close-ratio "Dyna-Sys11" gearing allows more efficient use of energy through finer cadence control Compatibility: For 11-speed HG-X Mountain Bike chains Speed: 11 SpeedUse: Mountain BikeWeight: 467g 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 Altus HG31 8 Speed MTB Cassette - Black - 11-34t}, Black
  • £17.98
  • RRP £20.99
  • Saving you £14

Shimano Altus HG31 8 Speed MTB CassetteEnjoy a smooth and reliable performance, no matter what challenge you meet on the trail, thanks to this mountain bike (MTB) cassette from Shimano. Benefiting from a wide cassette ratio of 11-32 Teeth (T) for low gear results and a wide variety of gear choices, this cassette from Shimano features a HyperGlide (HG) sprocket design for fast and smooth shifting that won't let you down. Features:Use: Mountain Bike (MTB)Cassette Ratio: 11-32TSpeed: 8 SpeedHyperGlide Sprocket Design: Special 8-speed HG Sprocket design ensures fast and positive shiftingChain Compatibility: 3/32”Weight: 315gA 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 Sora HG50 8 Speed Road Cassette - Grey - 11-28t}, Grey
  • £22.99

Shimano Sora HG50 8 Speed Road CassetteBoasting Shimano's highly advanced Hyperglide sprockets, this Sora road bike cassette brings you the slick, quiet and reliable shifting seen on its top-end products to the 8-speed road bike range.Reasons to Buy: Hyperglide sprockets. Slick, quiet and reliable shifting. 8 speed. Hard-wearing and corrosion resistant.Features: Speed: 8-speed Use: Road Compatibility: 8-speed road bike rear derailleurs and chains For Narrow 8-speed HG chains Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows more efficient use of energy through finer cadence control Sprockets are cut away to further reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring Weight: 380g (11-30T)Available in the Following Ratios (See in stock options above): 12-25T - 12.13.15.17.19.21.23.25, (Part Number: CSHG508225) 11-28T: 11-13-15-17-19-21-24-28T (Part Number: CSHG508128) 11-32T: 11-13-15-18-21-24-28-32T (Part Number: CSHG508132) 13-26T - 13.14.15.17.19.21.23.26 (Part Number: CSHG508326)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 SLX M7100 12 Speed Cassette - Silver - 10-51t}, Silver
  • £109.00
  • RRP £114.99
  • Saving you £5

Shimano SLX M7100 12 Speed CassetteThis wide range 12 speed cassette is engineered for aggressive off-road use as it delivers definitive shifting performance. Its lighter and stiffer construction reduces cassette resistance which results in quicker acceleration and increased chain security. Finally, its new shift ramp design with Hyperglide+ technology gives you faster and smoother gearing as you shred the trails. Features: Material: Aluminium Speed: 12 speed Compatible Chain: HG 12 speedType: Hyperglide+ 10T lowest sprocket realised by new freehub body construction Pedal continuously while shifting Wide rangeTechnologies: Hyperglide+: Hyperglide+ drivetrain's redesigned cassette and chain promotes the next generation of MTB riding by enhancing speed, shifting efficiency and smoothness over any terrain. It will help kickstart the next generation of mountain bike riding by introducing continuous pedalling over virtually any terrain. This revamped drive system and dedicated chain deliver fast shifting, efficient power transfer and chain stability like you've never experienced before. It helps riders adapt to drastically changing trail conditions by precisely judging the optimal shifting moment for consistently smooth operation. Micro Spline: Micro Spline delivers a lightweight aluminium freehub body to reduce weight and 10 teeth top gear. 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 M4100 Deore 10 Speed Cassette - Silver - 11-42t}, Silver
  • £31.99
  • RRP £49.99
  • Saving you £36

Shimano M4100 Deore 10 Speed CassetteReady for shredding the MTB trails, this 10 speed cassette delivers smooth and light performance from its minimal design sprocket carrier. Its three largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity. Shimano has also equipped this model with Hyperglide sprockets that have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Its close ratio gearing also allows a more efficient use of energy through finer cadence control.Features: Carrier Material: Alloy Use: MTB Speed: 10 speed Compatibile Chain: 10 speed HG-X MTB chains Sprockets: HyperglideTooth Count: 11-46T or 11-42T options available separatelyPart Numbers: 11-46T: CSM4100146; 11-42T:CSM4100142Technologies: Alloy Carrier: The 3 largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity. Hyperglide Sprockets: Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Sprockets are cut away and drilled to reduce weight without reducing rigidity. Close Ratio: Close ratio gearing allows a more efficient use of energy through finer cadence control.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 Tourney HG200 7 Speed Cassette - Black - 12-32t}, Black
  • £13.99
  • RRP £29.99
  • Saving you £53

Shimano Tourney HG200 7 Speed CassetteRepresenting exceptional value for money, the Shimano Tourney HG200 7 Speed Cassette is a solid and reliable option with a wide range of gears for great versatility. Featuring Hyperglide technology, this versatile and durable bike cassette guides the chain into the sprocket smoothly and precisely on every ride.Features: Speed: 7-Speed Compatibility: Shimano 7-Speed rear derailleurs Chain Compatibility: Super Narrow HG 7-Speed Rear Hub Compatibility: Shimano HyperGlide (HG) type freehubs Use: Mountain Bike, Touring bike, Hybrid bike Tooth Ratios: 12-14-16-18-21-26-32TA 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 105 R7100 12 Speed Cassette - Black - 11-34t}, Black
  • £64.99
  • RRP £69.99
  • Saving you £7

Shimano CS-R7100 105 12 Speed CassetteWith tough steel cogs and an aluminium spider, this road bike cassette is designed for maximum durability and performance on every mile. Part of Shimano's pioneering R7100 series, this 12 speed model also comes equipped with an 11-34T ratio, making it perfect for everything from sprinting on the flat to climbing steep inclines on your road bike. Its refined 12-step gear combination also ensures excellent efficiency, so none of your effort is wasted. You'll experience faster, smoother shifts under maximum torque (pedalling force) and shifts so smooth you'll barely notice them, whether you're biking uphill, downhill or rolling on the flats. Compatible with both Shimano 11 and 12 speed freehub bodies, this cassette is a versatile choice of upgrade for conquering your next road journey.12 Speed Cassette with Hyperglide TechnologyThe distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the mountain bike (MTB) 10 speed system, underwent comprehensive optimisation to achieve super-highly efficient shifting for road cycling.Features: Cogs Material: Steel Spider Material: Aluminium Speed: 12 Speed Chain Compatibility: HG 12 speed Freehub Compatibility: Shimano 11 and 12 speed freehub bodies Tooth Count: 11-34T Tooth Combination: 11-12-13-14-15-17-19-21-24-27-30-34T Weight: 361gManufacturer's Part Numbers: CSR710012134 Black 12 SpeedA 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 HG710 12 Speed Cassette - Black - 11-36t}, Black
  • £84.99

Shimano CS-HG710 12 Speed CassetteReady for day long adventures on your drop handlebar road bike, this 12 speed cassette features a wide 11-36T range of 327% for excellent efficiency, so none of your effort is wasted. Whether you're sprinting on the flats to steep climbs, you can benefit from its wider gear ratio that's tailored to suit every road situation. Another highlight is each of its gear steps are optimised for pedalling efficiency, with the first eight cogs focusing on a natural and comfortable connection, and the largest four cogs allowing you to select from a wide range of gears while avoiding abrupt gear ratio changes. Compatible with both Shimano 11 and 12 speed freehub bodies, this cassette is a versatile choice of upgrade for conquering your next road adventure.12 Speed Cassette with Hyperglide TechnologyThe distinctively designed Hyperglide sprockets incorporate specially positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result. The HG cassette sprocket, which was developed for the mountain bike (MTB) 10 speed system, underwent comprehensive optimisation to achieve super-highly efficient shifting for road cycling.Features: Cogs Material: Steel Spider Material: Aluminium Use: Road Speed: 12 speed Combination: 11-36T Compatible Chain: HG 12 speed Series: Shimano 105 R7100 Di2 SeriesManufacturer's Part Numbers: CSHG71012136A 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 Sora HG50 8 Speed Road Cassette - Grey - 11-32t}, Grey
  • £21.49
  • RRP £22.99
  • Saving you £7

Shimano Sora HG50 8 Speed Road CassetteBoasting Shimano's highly advanced Hyperglide sprockets, this Sora road bike cassette brings you the slick, quiet and reliable shifting seen on its top-end products to the 8-speed road bike range.Reasons to Buy: Hyperglide sprockets. Slick, quiet and reliable shifting. 8 speed. Hard-wearing and corrosion resistant.Features: Speed: 8-speed Use: Road Compatibility: 8-speed road bike rear derailleurs and chains For Narrow 8-speed HG chains Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Close ratio gearing allows more efficient use of energy through finer cadence control Sprockets are cut away to further reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring Weight: 380g (11-30T)Available in the Following Ratios (See in stock options above): 12-25T - 12.13.15.17.19.21.23.25, (Part Number: CSHG508225) 11-28T: 11-13-15-17-19-21-24-28T (Part Number: CSHG508128) 11-32T: 11-13-15-18-21-24-28-32T (Part Number: CSHG508132) 13-26T - 13.14.15.17.19.21.23.26 (Part Number: CSHG508326)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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