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SunRace CSMX0 10-Speed Cassette - Silver
  • £55.99
  • RRP £70.00
  • Saving you £20

The SunRace CSMX0 10-speed cassette is specifically engineered for MTB use, so you can shred the trails in style. Its strong alloy spider, lockring and spacers make it perfect for tackling the most aggressive trails with ease. Weighing in at only 341g, means you'll not have to worry about any excess weight holding you back.

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Shimano CS-M5100 Deore 11-Speed Cassette - 11-51T
  • £55.99
  • RRP £79.99
  • Saving you £30

Perfect for front single and double MTB drivetrains, Shimano's M5100-11 cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain biking. The 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 MTB 10-speed system, underwent comprehensive optimisation to achieve super-highly efficient shifting.Deore M5100 11-Speed cassette featuring light weight minimal design sprocket carrierHyperglide 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 controlSprockets are cut away and drilled to reduce weight without reducing rigidityFor 11-speed HG-EV MTB chains

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Miche Primato 11x Cassette Shimano Cassettes
  • £55.99
  • RRP £63.99
  • Saving you £13

This model features heat-treated steel sprockets allow for efficient power transfer, so you can maintain the edge over your competitors. Additionally, its CNC-machining and opaque chrome-plating keeps its overall weight low, making it perfect for both competing and training.

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SunRace CSRS3 11 Speed Cassette
  • £55.99

Key Features: 11 speed,Silver,Steel sprockets,Red alloy lockring,Ti-Ni coating,Alloy spider,Lightweight holes,290 grams (11-28).

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Shimano Ultegra CS-R8000 11 Speed Cassette - 11-25T
  • £55.49
  • RRP £84.99
  • Saving you £35

Shimano’s Ultegra range is race focused, but at a more affordable price than the top-tier Dura-Ace line. The R8000 offers 11 sprockets and is available in a broad range of ratios, so whether it’s a tightly packed 11–25-tooth block for time trialing or a wide ranging 11–32-tooth for conquering even the most epic climbs, there’s something for everyone. Tough, Lightweight, Durable Machined from a combination of aluminum and steel, an Ultegra R8000 cassette offers an excellent compromise between weight, durability, and performance. To keep the weight down aluminium is used to rivet the largest three sprockets and a fibre-reinforced composite the next largest two. Tipping the scales at a low of 232 grams for the 11–25T, and a high of 300g for the 14–28T option, regardless of your preferred choice you certainly won’t be weighed down. But, not only is this cassette lightweight and high performing, it is also durable. Corrosion resistance comes via the nickel-plated steel sprockets, so you can ride without the worry your cassette will disintegrate at the sight of rain. A Shift In Performance Aside from weight and durability, the R8000 cassette performs its job well. In fact, there’s virtually an imperceptible difference in performance between it and a higher-spec’d Dura-Ace cassette. Shifting gears is exactly what you’d expect from a component maker as known for precision engineering as Shimano, in one of its top-tier products. It’s quick, smooth, and reliable. Hyperglide technology, the brand’s proprietary system, ensures that even under load you’ll be able to change through the gears. Product Features Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide EV sprockets have been designed to reduce weight and improved teeth shaping provides accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider Optimised for use with 11-speed HG-EV chains, but compatible with all 11-speed drivetrains Please note, due to the current supply situation with many products, aftermarket packaging and manuals may not be supplied. Manuals can be downloaded from si.shimano.com and we advise that any work carried out on your bicycle is done so by a Shimano Approved Service Centre

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Shimano Ultegra CS-R8000 11 Speed Cassette - 12-25T
  • £55.49
  • RRP £84.99
  • Saving you £35

Shimano’s Ultegra range is race focused, but at a more affordable price than the top-tier Dura-Ace line. The R8000 offers 11 sprockets and is available in a broad range of ratios, so whether it’s a tightly packed 11–25-tooth block for time trialing or a wide ranging 11–32-tooth for conquering even the most epic climbs, there’s something for everyone. Tough, Lightweight, Durable Machined from a combination of aluminum and steel, an Ultegra R8000 cassette offers an excellent compromise between weight, durability, and performance. To keep the weight down aluminium is used to rivet the largest three sprockets and a fibre-reinforced composite the next largest two. Tipping the scales at a low of 232 grams for the 11–25T, and a high of 300g for the 14–28T option, regardless of your preferred choice you certainly won’t be weighed down. But, not only is this cassette lightweight and high performing, it is also durable. Corrosion resistance comes via the nickel-plated steel sprockets, so you can ride without the worry your cassette will disintegrate at the sight of rain. A Shift In Performance Aside from weight and durability, the R8000 cassette performs its job well. In fact, there’s virtually an imperceptible difference in performance between it and a higher-spec’d Dura-Ace cassette. Shifting gears is exactly what you’d expect from a component maker as known for precision engineering as Shimano, in one of its top-tier products. It’s quick, smooth, and reliable. Hyperglide technology, the brand’s proprietary system, ensures that even under load you’ll be able to change through the gears. Product Features Lightweight 11-speed HG-EV cassette with rigid alloy sprocket carrier for reduced weight and better shifting performance, even under the most demanding gear changes Hyperglide EV sprockets have been designed to reduce weight and improved teeth shaping provides accurate shifting and reduced wear Wide gear range to meet the demands of all types of rider Optimised for use with 11-speed HG-EV chains, but compatible with all 11-speed drivetrains Please note, due to the current supply situation with many products, aftermarket packaging and manuals may not be supplied. Manuals can be downloaded from si.shimano.com and we advise that any work carried out on your bicycle is done so by a Shimano Approved Service Centre

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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 CS-M5100 Deore 11-Speed Cassette - 11-42T
  • £55.00
  • RRP £64.99
  • Saving you £15

Perfect for front single and double MTB drivetrains, Shimano's M5100-11 cassette offers Rider Tuned gear steps for maximum cadence control across the varied terrain of mountain biking. The 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 MTB 10-speed system, underwent comprehensive optimisation to achieve super-highly efficient shifting.Deore M5100 11-Speed cassette featuring light weight minimal design sprocket carrierHyperglide 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 controlSprockets are cut away and drilled to reduce weight without reducing rigidityFor 11-speed HG-EV MTB chains

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SRAM Powerpack PG-1030 Cassette & PC-1031 Chain - 10 Speed - 11-28T
  • £55.00
  • RRP £83.00
  • Saving you £34

The SRAM Powerpack gives you SRAM s fantastic quality cassette and chains at a great price.  Featuring the PG-1030 Cassette and the PC-1031 Chain, both provide durable, reliable and positive shifting, allowing you to keep your drivetrain running smoothly.Cassette Specification:Speed (CS): 10sGearing: 11-26t, 11-28t, 11-32t or 11-36tCog finish (Cassette): SilverTechnology (Cassette): PGCog Sizes:1-28t (11,12,13,14,15,17,19,22,25,28)11-32t (11,12,13,15,17,19,22,25,28,32)11-36t (11,12,14,16,18,21,26,28,32,36)Chain Specification:Compatibility - Speed (cn): 10sOuter link finish nickel: PolishedColour - outer link: Silver, greyInner link finish: PolishedColour - inner link: GreyChain connector: PowerlockPin variant: Solid pin

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SRAM PG1170 11 Speed Cassette - 11-25T
  • £54.99
  • RRP £96.00
  • Saving you £43

It's the final piece in the drivetrain puzzle, and paired with SRAM RED eTap and RED rear derailleurs, it delivers ultra-fast, ultra-quiet shifts that will always put you in the right gear. Features: Compatible with SRAM RED eTap, RED, Force, Rival, Apex Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight. Compatible with SRAM RED® eTap®, RED®, Force, Rival, and Apex. 11-30t, and 11-32t ratios are only compatible with WiFLi and 1x rear derailleurs. Heat-treated, high-grade tool steel provides superlative durability and a beautiful finish StealthRing™ elastomers and advanced tooth profiles eliminate vibration and noise for a smooth, silent ride Specifications:Technology Highlight(s): PowerdomeX™/ X-Glide™ Cogs/ StealthRings™Weight: 151g (11-25T), 185g (11-30T), 196g (11-32T)Material: High grade tool steel cog cluster, Heat treatment process, Heat treated aluminum lowest range cog, Elastomer ringsGear Ratios: 11-25: 11,12,13,14,15,16,17,19,21,23,25, 11-26: 11,12,13,14,15,16,17,19,21,23,26, 11-28: 11,12,13,14,15,16,17,19,22,25,28, 11-30: 11,12,13,14,15,17,19,21,24,27, 30, 11-32: 11,12,13,14,15,17,19,22,25,28,32Speeds: 11Recommended Chain: SRAM RED® 22 chain, SRAM PC-1170 chainRecommended Group: SRAM RED®Available in: 11-25, 11-26, 11-28, 11-30, 11-32

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Tall Order Drone Cassette Hub 9 Tooth Driver
  • £54.99

A replacement 9t driver for the Tall Order Drone cassette hub. This comes set up for RHD but is compatible with both RHD / LHD drive.

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SunRace CSRS0 10 Speed Cassette Cassettes
  • £54.99

Its alloy spider is robust and immensely durable, making it tough enough for the most aggressive off-road rides. This is a perfect choice of upgrade for replacing your old or worn-out existing model.

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