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Shimano Ultegra R8100-P Power Meter Chainset - 170mm - 52/36
  • £864.49
  • RRP £999.99
  • Saving you £14

The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system 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 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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Shimano Ultegra R8100-P Power Meter Chainset - 172.5mm - 50/34
  • £999.99

The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system 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 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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Shimano Ultegra R8100-P Power Meter Chainset - 172.5mm - 52/36
  • £999.99

The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system 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 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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Shimano Ultegra R8100-P Power Meter Chainset - 175mm - 50/34
  • £777.99
  • RRP £999.99
  • Saving you £22

The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system 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 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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Shimano Ultegra R8100-P Power Meter Chainset - 175mm - 52/36
  • £999.99

The HollowTech II 12-speed Ultegra chainset with integrated power meter offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Accurately calibrated strain gauges are integrated inside the crank arm, this provides a stable measurement system through rotation from both sides for extremely precise data +/-2% accuracy of strain gauge measured power Bluetooth and ANT+ with wireless firmware update and data acquisition system Easily rechargeable integrated battery with fully waterproof reliable electric system 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 12-speed HG chains for increased contact to provide greater efficiency and improved power transfer Industry leading HollowTech II cold forged 4 arm hollow cranks have been evolved for maximum rigidity while reducing weight Wide gear pitch spacing increases clearance between chain and leading teeth to provide compatibility to frames with O.L.D. 135 / 142 mm A wide range of chainring options and crank arm lengths are available to meet the needs of all riders and racing disciplines HollowTech II integrated bottom bracket uses a wider bearing placement and larger axle diameter for increased stiffness and efficiency HollowTech II integrated bottom bracket seal design has minimal bearing interface ensuring smooth rolling and increased durability(sold separately)

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Shimano Ultegra R8110 Direct Mount Brake Caliper - Chainstay Rear
  • £61.49
  • RRP £79.99
  • Saving you £23

RS811 bottom bracket mount calliper offers an ideal balance of light weight and stiffness, making it the perfect choice for both enthusiast and competitive riders Low profile aerodynamic direct mount Super SLR-EV Dual-Pivot design provides superior brake performance and light action Must be used in conjunction with super SLR levers for correct leverage ratio Enhanced brake arch proportions give a quicker linear response and increased power Can be used on frames with bottom bracket / chainstay direct mounts Low profile outer cable stop position improves cable routing for reduced friction Cartridge brake shoes for easy replacement Convex washers on the brake shoes offer toe-in brake adjustment and easy alignment Lightweight aluminium construction, with an anodised finish to preserve the good looks Added clearance for compatibility with 28C tire size

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Shimano XT HG93 9 Speed Chain Chains
  • £11.99
  • RRP £19.99
  • Saving you £40

114 links, 304 grams

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Shimano XT M8000 2x11 Speed MTB Boost Chainset - Black - 51.8mm Chainline, Black
  • £164.99
  • RRP £214.99
  • Saving you £23

Shimano XT M8000 2x11 Speed MTB Boost ChainsetThe Shimano XT M8000 chainset features updated and improved materials and shifting technologies previously found only on the race level XTR components. This brings additional performance, and the optimal balance of durability, weight, and value to the trusted workhorse Shimano XT line. These cranks feature Hollowtech ll technology for unrivalled strength-to-weight ratio.Features:Forged HollowTech II aluminium cranksLightweight construction for external super smooth bottom bracket bearingsSteel inner ring combined with a thicker aluminium and carbon composite Hollow outer ring for excellent rigidity and durabilityClose ratio gear combination for minimum shifting gap provides improved cadence while reducing pedal feedback on suspension bikesPlus 3mm outboard chain line (51.8mm) for use with 148mm rear axle widthHG-X chainring with patented spike pins give smooth and fast gear shifts under loadStiffness and strength increased with advanced design due to wider spaced bearings and oversized axle70° spider arm for optimal rigidityFor use with 11-speed HG-X MTB chains onlyA 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 XT M8000 Double 11 Speed Chainset - Black - 48.8mm Chainline, Black
  • £155.00
  • RRP £209.99
  • Saving you £26

Shimano XT M8000 Double 11 Speed ChainsetSuitable for all types of mountain bike (MTB) riding, the XT M8000 2x11-speed chainset brings you the range for thriving on all terrains and in all riding situations. Available in different tooth count ratios with lower differences between the chainrings, you'll be able to maintain your pedalling rhythm, making it ideal for your cross country (XC) racing bike. Offering you the perfect mix of low weight and high strength, Shimano has built it with aluminium crank arms, a tough steel axle and the chainrings are made with steel teeth on a carbon fibre composite carrier body. Plus, the chainring’s teeth have been shaped to enhance chain retention as you attack the roughest sections of the trails.Features: Material: Crank Arms: Aluminium; Axle: Steel; Chainrings: Steel teeth with Carbon Fibre Composite carrier body Axle Diameter: 24mm (For Hollowtech II systems) Speed: 2x11-Speed 4-Arm or 5-Arm: 4-Arm Bolt Circle Diameter (BCD): 4x96/64mm Recommended Bottom Bracket: BB-MT800/BB-MT800-PA Hollowtech II (Not included) Bottom Bracket Included: No Chainring Size: Separate 38/28T, 36/26T and 34/24T options Chainrings Included: Yes Bottom Bracket Shell Width: 68 or 73mm Chainline: 48.8mm Q-Factor: 176mm Manufacturer's Part Number: FC-M8000-2 Weight: 38/28T: 738.9g; 36/26T: 718.1g; 34/24T: 695.5gA 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 XT M8100 12 Speed Chain Chains
  • £44.99
  • RRP £49.99
  • Saving you £10

This top-quality model helps you dominate every run thanks to its extended inner plate which improves chain engagement and retention for superior acceleration and gearing. It's simple to connect to your bike thanks to its Quick-Link, which makes installation a breeze. Weighing in at only 252g (approx), you'll not have to worry about adding any unnecessary weight to your drivetrain while enjoying a more confident ride. The M8100 chain provides enhanced chain retention thanks to an extended portion of the inner plate. The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability. Hyperglide+ Gear Shifting Smoothness and Precision Hyperglide+ drivetrain’s redesigned cassette and chain promote 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. Plus, with Shimano's QuickLink system, you have a tool-free chain assembly that provides great convenience and confidence when assembling your drivetrain setup.

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Shimano XT M8100 12 Speed Mountain Bike Chainset - Black - 36.26t}, Black
  • £197.98
  • RRP £209.99
  • Saving you £6

Shimano XT M8100 12 Speed Mountain Bike ChainsetContinuing the legacy for mountain bikers everywhere, this stunning 12 speed chainset offers the ultimate range for every ride. It features a chainring ratio with 36 to 26 teeth and delivers almost unlimited possibilities to tackle whatever the trails have to throw at you. Its hollow forged crank arms make it incredibly tough for weaving around the mountain while also keeping its weight low.High-Performance 12 Speed CranksetFor those who are drawn to unknown terrain, the chainrings feature Dynamic Chain Engagement+ technology which holds your chain safely on the most aggressive of runs. This is the perfect upgrade for a guaranteed smooth, efficient and quieter drivetrain.Features: Material: Crank Arm, Outer Chainring: Anodised Aluminium; Axle, Inner Chainring: Steel Use: MTB Speed: 12 speed Number of Chainrings: 2 Tooth Count: 36/26T Chainline: 48.8mm Q Factor: 172mm Recommended Bottom Bracket: BB-MT800 (Thread Type); BB-MT800-PA (Pressfit) Weight: 654g (175mm version) 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 XT M8100 2x12 Speed Chainset Chainsets
  • £179.98
  • RRP £219.99
  • Saving you £18

For riders who are drawn to the unknown trails and terrain, this stunning 2x12 model delivers the ultimate gearing ratio for every ride. Its chainrings feature Dynamic Chain Engagement+ technology which holds your chain securely on the rowdiest of runs. Weave from trail to trail with its 36 to 26 teeth allowing for almost unlimited possibilities to dominate whatever the mountain has to throw at you. To top it off, its hollow forged crank arms make it immensely robust for carving your way around without any excess weight holding you back. These are an ideal choice of upgrade for unrivalled off-road performance and control.

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