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Shimano CS-M9100 XTR 12-Speed Cassette - 10-45T
  • £296.99
  • RRP £329.99
  • Saving you £10

With its Beam Spider construction, the CS-M9100 XTR 12-speed cassette shaves weight while increasing Shimano's MTB gearing range another gear. Using Shimano's new Micro Spline freehub body and Hyperglide+ tooth profile, these 10-45 and 10-51T cassettes deliver the best MTB shift experience on offer.Increased acceleration by reducing inertia and weight by Beam Spider constructionAlloy 5 beam spider carrier with 3 alloy, 5 titanium and 4 Chromoly sprockets make this a lightweight, stiff and durable 12-speed Micro Spline MTB cassetteHyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in 1/3 faster shift time than current HG cassettes providing seamless, smooth operation even under load10-45T wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditionsSprockets are cut away extensively and drilled to further reduce weight without reducing rigiditySprockets use hard anodising and nickel-plated finish for added durability and resistance to corrosionAlloy cassette lock ringFor use with Shimano 12-speed SIL-TEC chainsAverage weight 357g

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SRAM XG-1190 11 Speed Cassette - Silver - 11-28t}, Silver
  • £298.80
  • RRP £315.00
  • Saving you £5

SRAM XG-1190 11 Speed CassetteThe SRAM XG-1190 11 Speed Cassette is incredibly lightweight, hardwearing and quiet as it's made using the CNC-machine process. It also features SRAM's favourite technologies from their Red and XX cassettes, for a price that won't break the bank. Constructed using PowerdomeX™, the middle 9 sprockets have been designed from a single block of high-quality steel to ensure enhanced durability and stiffness when you climb the gears. With this cassette, you can expect smooth, seamless shifting, whatever the trails throw at you. Features:Hollow steel dome makes for the stiffest gear cluster ever at the lightest weightHeat-treated, high-grade tool steel provides superlative durability and a beautiful finishStealthRing™ elastomers and advanced tooth profiles eliminate vibration and noise for a smooth, silent ridePowerdomeX™ constructionAluminium cog is lighter, stiffer and stronger due to the design, material and production processRecommended Chain: SRAM RED 22 chain, SRAM PC-1170Weight: 151g (11-25T)Buy SRAM Components from Chain Reaction Cycles, the World's largest online bicycle store.

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SRAM XG-1295 Eagle Cassette - Black10-52T
  • £299.00
  • RRP £387.00
  • Saving you £23

The SRAM Eagle XG-1295 12 Speed Cassette completely destroys any argument in favour of a front derailleur on a mountain bike. The XG-1295 offers a huge gear range of at least 500% at a considerably smaller weight than 2x systems.Greatest Durability and Lightest Weight AvailableX-DOME TechnologyAll New Shifting Features XD Driver Body CompatibleHuge Gear Range for all terrainsIncorporating X-DOME architecture which offers incomparable strength, weight and performance, the XG-1295 is XD driver body compatible, and features all-new shifting features creating a smoother, quieter system with enhanced shift performance.

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G-Sport Elite Cassette Wheel Black
  • £299.99

If you take the GSport Ribcage rim and lace it to Roloway cassette hub, you’ll end up with one of the strongest BMX cassette wheels you can get. The RHD/LHD compatible hub features a modern slim shape along with all the durability you've come to expect from a G-Sport hub and features a 7075-T6 aluminum hub shell, super durable and smooth 16003 sealed cartridge hub shell bearings, a 14mm 4130 chromoly axle bolts w/17mm 4130 chromoly female axle and a 9T driver with 3-Pawl independent spring design and precision caged needle bearings. The Roloway is laced to G-Sport's Ribcage rim. The Ribcage has been one of the only rims to have true design breakthroughs in recent years. Since its introduction the competition has scrambled to catch up but still remain a poor copy, so if it doesn't say GSport on the rim, don't expect it to perform like a G-Sport rim. The strength to weight ratio of the Ribcage cannot be matched. The entire design revolves around the use of a proprietary high strength aluminum alloy made specially for G-Sport in an on-site foundry. It is a lightweight rim that can take anything you throw at it. With the Ribcage, the spoke holes are re-enforced with patented ribs that support the sides of each spoke nipple and eliminate the possibility of nipple pull through under even the highest loads. The rim also features cross-over-spoke lacing, where each spoke goes from one side of the hub to the opposite side of the rim for an increased angle and therefore increased lateral strength. The outer walls are extra thick to protect against case dents, while the other walls are extra thin to keep it light. The 36mm width and 18mm height are also major factors in the design, spreading out the impacts and maximizing resistance to pinch puncturing. Replacement hubguards included. ###section### Product Specs WHEEL SIZE:20" HUB:G-Sport Roloway Cassette Hub AXLE:4130 Chromoly Female Axle DRIVE SIDE:Left & Right Switchable RIM:G-Sport Ribcage SPOKES:36h NIPPLES:Brass WEIGHT:TBC

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Wethepeople Supreme Cassette Wheel Black
  • £299.99

Built for hard and hearty BMX riding, this tough-as-nails rear wheel by WTP gives a Pro-level performance on every outing. Giving an outstandingly strong showing as both a cruising roller and a street wheel, it makes the most of its top-notch Logic rim and Supreme rear hub to push you along with power and composure. At 35mm wide, the flash-welded 6069-T6 alloy rim stays strong and sturdy as you push every ride to the max. ###section### Product Specs WHEEL SIZE:20" HUB:Supreme hub with Q-Lite Switch Drive System and 9t driver AXLE:14mm 4130 crmo female axle, fully heat-treated DRIVE SIDE:Left & Right Switchable RIM:We The People Logic SPOKES:36 NIPPLES: WEIGHT:TBC

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Odyssey 7KA Cassette Wheel Black
  • £299.99

Odyssey 7KA rims are the original 7000 series aluminum BMX rim, and have long been a top choice for custom wheel builds. Laced to the Antigram V2 cassette hub. ###section### Product Specs WHEEL SIZE: 20" HUB: Antigram V2 cassette AXLE: 14mm Female DRIVE SIDE: Left & Right Switchable RIM: Odyssey 7KA SPOKES: 36 NIPPLES: TBC WEIGHT: TBC

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SRAM XG-1299 Eagle Cassette - Copper10-52T
  • £299.99
  • RRP £453.00
  • Saving you £34

The SRAM Eagle XG-1299 12 Speed Cassette completely destroys any argument in favour of a front derailleur on a mountain bike. The XG-1299 offers a huge gear range of at least 500% at a considerably smaller weight than 2x systems.Greatest Durability and Lightest Weight AvailableX-DOME TechnologyAll New Shifting Features XD Driver Body CompatibleHuge Gear Range for all terrainIncorporating X-DOME architecture which offers incomparable strength, weight and performance, the XG-1299 is XD driver body compatible, and features all-new shifting features creating a smoother, quieter system with enhanced shift performance. 

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SRAM XX1 11 Speed Cassette Cassettes
  • £299.99
  • RRP £372.00
  • Saving you £19

SRAM XX1: Driven by a cutting edge, single-ring carbon crank and seamless component integration, SRAM 1X drivetrain delivers flawless chain management and faster, more precise shifting. But the relationship between XX1 components goes far beyond fitment. From the X-Horizon rear derailleur with Type 2 technology to the super wide range 11 speed 10-42T cassette, each component is designed to function synergistically with the others, achieving what no other 1X drivetrain has before.

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Campagnolo Super Record Cassette (12 Speed) Cassettes
  • £299.99
  • RRP £304.99
  • Saving you £2

The Super Record Cassette (12 Speed) from Campagnolo lives up to its title by offering a super-smooth and effortless shifting experience. The cassette fits the 11-Speed freehub and is compatible with current Campagnolo rear derailleurs for an exceptional boost to your bikes' drivetrain performance. Notice the difference while out on the road as you start to climb, where this cassette takes the hassle out of changing gear thanks to the redesigned thinner sprockets that are closer together than ever before. This new technology means you can easily shift and give your performance an extra boost without the need to change your wheels or derailleur.  Made from high quality and robust construction for years of long-lasting use, when cycling through even the harshest conditions that the elements throw at you. The longer lifespan combined with the improved design that's been engineered for maximum performance makes the Super Record Cassette (12 Speed) from Campagnolo the perfect choice for upgrading your existing cassette. 

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SRAM XX1 XG-1199 11 Speed MTB Cassette - Silver - 10-42t}, Silver
  • £299.99
  • RRP £372.00
  • Saving you £19

SRAM XX1 XG-1199 11 Speed MTB CassetteThe future has landed, taking on the form of 1x 11 gearing, SRAM are ahead of the game. With the SRAM XX1 cassette being the first of its kind, 11 speed is now a reality.Ranging from 10- to 42-teeth, the 11-speed X-Dome delivers an incredibly wide gear range while maintaining even, optimised steps. The single-unit cassette combines with the XD driver body for a superior connection to the wheel.SRAM XX1 XG1199 11 Speed MTB Cassette Features:X-Dome - X-Dome technology creates an incredibly lightweight, precise and strong cassette. The open design aids in mud clearance, giving you cleaner shifting performance and longer component lifeXD Driver body - XD is a new cassette driver body design that allows the use of a 10 tooth small cog and provides and improved interface with the cassette. Wheels equipped for the XD Driver boy are available from SRAM and DT SwissSRAM XX1 XG1199 11 Speed MTB Cassette Specifications:SRAM 1x Design SpecificWorks In Harmony With All XX1 Products11 Speeds (10/12/14/16/18/21/24/28/32/36/42)Bearing Design And Ratchet MechanismX Dome TechnologyWeight: 260gBuy SRAM XX1 XG1199 11 Speed MTB Cassette from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Super Record 12 Speed Road Cassette - Silver - 11-29t}, Silver
  • £299.99

Campagnolo Super Record 12 Speed Road CassetteThe 12-Speed Super Record cassette from Campagnolo increases the riders shifting performance and smoothness. The cassette fits the same 11-Speed freehub size and is compatible with current Campagnolo rear derailleurs, meaning the main difference is the exceptional boost to your bikes drivetrain performance and shifting efficiency.Providing a Massive Boost in PerformanceTo achieve this massive boost in performance, but without the rider needing to purchase new wheels or derailleurs, Campagnolo has made the sprockets thinner and featuring tighter dimensions, without any reduction in strength or durability. This 12-Speed cassette provides a linear upshift and downshift by a single tooth per shift the whole way up to the seventh gear, enabling you to find the perfect gear ratio for any riding situation without sacrificing your cadence rhythm.Quieter and Faster Shifting PerformanceThe closer sprockets ensure quieter and faster shifting engagement and thanks to the refined tooth design and surface treatment the cassette has a longer life-span than ever before. Campagnolo as also optimised the cassette carrier, making mounting of the cassette easier than ever before thanks to the matching thickness of the sprocket spacers.Features:  Streamlined, Single tooth-count increments from the 1st to the 7th sprocket  Super-smooth shifting performance  Fully compatible with current Campagnolo freehub bodies  Standard Chainstay Width Compatible  Extra sprocket without increasing cassette width, smaller space between cogs, smoother shifting  Technical Sprocket Treatment, increases service-life  Weight: 266gBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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E-Thirteen Helix 12 Speed Cassette
  • £300.00

The HELIX R 12 Speed Cassette is an upgrade to any SRAM Eagle™ drivetrain, with more range than any other cassette on the market. The 9 tooth cog lets you step down one chainring size while keeping the same top end gearing and provides not only better ground clearance, but an overall lighter drivetrain. The aluminium one-piece 42/50 tooth cluster is easily replaceable so riders can keep their steel cluster for multiple seasons and freshen up granny as needed without buying a whole new cassette.It’s in our DNA to solve problems. Helix components are engineered to bridge the compatibility gap between SRAM™ and Shimano™ components, ensuring versatility and flawless performance. Future-proof your bike with e*thirteen Helix.Works flawlessly with Shimano™ and SRAM™ 12s drivetrains despite the challenges in designing for the different cog spacing and chain behavior. Additionally, if your wheel has a SRAM™ XD™ Driver and you want to upgrade to Shimano™ 12s, you not only save money on the cassette, you don’t have to spend the extra on a new hub driver either.Unlike SRAM Eagle™, Helix R cassettes have replaceable gear clusters. That means ongoing service and replacement costs will be less than half that of SRAM™ cassettes. Key Features: 556% More range than any other cassette on the market, 9,11,13,15,17,20,23,27,31,36,42,50,Weight: 345g,Compatible with SRAM and Shimano 12speed drivetrains,Improved shifting performance including Shimano™ 12 speed compatibility,Improved interface between steel and aluminium clusters,.

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