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4iiii Shimano XT M8100 PRECISION 3.0 Powermeter Power Meter Cranksets
  • £324.99

Designed for mountain bike (MTB) riders who want to take their training sessions to the next level, this high-quality powermeter comes factory fitted into a Shimano XT M8100 left-sided crank arm. Another highlight is its lightweight crank arm design that is optimised for maximum power-transfer efficiency without sacrificing stiffness. At 5.5mm high, this Precision 3.0 powermeter is compatible with almost every bike frame on the market. In addition, the indicator light will let you know when your power meter is on, performed a successful zero-offset, and is ready for its battery to be changed. With an ultra-precise +/- 1% accuracy and an impressively light 9g weight, this left-sided power meter is all set for helping you reach your performance goals. One final highlight is that it boasts up to 800 hours of battery life from its long-lasting coin cell battery. Precision 3 Whether you are fighting for a Kona slot, spending countless hours on the indoor trainer or striving for a personal best; one thing we know, success takes time. With up to 800 hours of battery life, +/-1% accuracy and weighing in at only 9 grams, the Precision 3Powermeter will be your trusted training tool for years to come. Shimano XT M8100 Crank Arm Shimano XT is the original mountain bike series trusted by generations of mountain bikers around the world. Whatever the trail, whatever you ride, XT is your solution for mountain biking today. Reliable. Superior. Intuitive. XT is the high performance workhorse you can count on. Accuracy in 3D Not everyone has a perfect pedal stroke. 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke. Our patented 3D Strain Gauge design has been 3rd party tested to +/- 1% accuracy providing you with data that you can rely on to help you reach your fullest potential. Up To 800 Hour Battery Life With up to 800 hours of battery life, you won't have to worry about changing your battery for years to come. +/- 1% Accuracy Everyone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.   Technologies: Accuracy in 3D: Not everyone has the perfect pedal stroke. With +/- 1% accuracy, 4iiii is the only crank-based power meter to use 3 strain gauges to measure all forces in your pedal stroke. Ultra Low Profile: With an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before. Indicator Light: At a glance, you can now see when your power meter has turned on, performed a successful Zero-offset, or has a low battery. Although, don’t expect to see that low battery indicator for a while! Waterproof: Based in the foothills of the Canadian Rockies, we were tired of training tools not designed to work in our tough environment. With an IPX7 waterproof rating you can be assured that your power meter can handle the toughest conditions. ANT+ and Bluetooth: Get the same numbers training inside and outside. The PRECISION 3 Powermeter is both ANT+ and BLE compatible so you can use it on your preferred head unit and favorite indoor training app. 3 Year Warranty: A lot can happen in 3 years. You probably won’t need to use it, but it’s reassuring to know that all 4iiii Powermeters are backed by an industry-leading 3-year warranty.

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Mavic Ksyrium S Road Disc Wheelset - Black - SRAM XD}, Black
  • £324.99
  • RRP £445.00
  • Saving you £27

Mavic Ksyrium S Road Disc WheelsetPerfect for everyday road cycling, this wheelset features a durable maxtal aluminium rim construction that offers fantastic strength without adding any unnecessary weight to your road bike. Mavic has also kitted it out with some of its finest technologies including Fore tapeless tubeless technology, which means that no rim tape is needed, saving 60g over a traditional wheelset. With double-butted, straight-pull steel spokes and Centre-Lock disc brake compatibility, this wheelset is ideal for road riders who want greater stability and control, wherever their next journey takes them. Lightweight, Tubeless-Ready Road WheelsetThe Ksyrium S Disc is 40g lighter than the former Ksyrium UST Disc while also being stronger and laterally stiffer. Stiffness is optimised using Fore technology. The upper bridge remains undrilled, optimising strength and rigidity, and it doesn't require the use of a rim tape, which saves another 30g per wheel. The rim bed's updated shape makes it easier than ever to mount and remove tyres, and Mavic's UST Tubeless technology improves rolling resistance and grip, while reducing the risk of punctures. Made in France, in Mavic's aluminium rim factory.Infinity Hub and Instant Drive 360 Freewheel This road bike wheelset's Infinity hub platform optimises stiffness and power transfer with highly controlled spoke tension, while its Instant Drive 360 freewheel coupled with Mavic's automatic bearing preload adjustment (QRM Auto) delivers fast engagement and durability. The Ksyrium S Disc doesn't just ride fast, it looks fast too. Matte painted hubs, invisible rim welding and deep black spokes give this wheelset a premium look that stands out from the crowd. Engineered specifically for disc brakes, it's compatible with a 12x100 axle up front, and 12x142 rear, and can convert to Quick Release with supplied adaptors. Available in Shimano or SRAM XD-Road cassette options to select, the Mavic Ksyrium S Disc Road Wheelset can also be converted to Campagnolo with an optional driver body (sold separately).Features: Rim Material: Maxtal Aluminium Hub Material: Front and Rear Bodies: Aluminium; Axle: Aluminium Spoke Material: Steel Use: Road Internal Rim Width: 19mm Height: 22mm ETRTO: 622x19TC Road Tubeless Ready: Yes, UST tubeless technology, Fore tapeless tubeless technology Tyre Compatibility: UST Tubeless and Tube type Brake Type: Disc brake specific profile, Centre-Lock Recommended Tyre Sizes: 25 to 32mm Rim Technologies: SUP welding technology Front Axle: 12x100 thru-axle, easily convertible to quick release with included adaptors. Not compatible with 15mm through axles Rear Axle: 12mm thru-axle, convertible to Quick Release with included adaptors Freewheel: Multiple options available to select from the drop-down menu Front Hub: Quick release and 12x100 thru-axle compatible Rear Hub: Quick Release, 12x142 and 12x135 compatible Hub Technologies: Infinity Hubs, Instant Drive 360 freewheel technology and QRM Auto bearing preload technology Spoke Count: Front and Rear: 24 Spoke Lacing: Front: and Rear: Crossed 2, contactless Spoke Shape: Straight pull, flat, double-butted Spoke Nipples: Fore integrated Aluminium ASTM Category 2: Road and Off-road with jumps less than 15cm Included: Rear QR adaptors for Instant Drive 360, front QR adaptors, UST valve and accessories, user guide Max Rider Weight: 120kg (including bike) Weight: Pair: 700c: 1670g (Front: 750g; Rear: 820g)Manufacturer's Part Numbers:LP1326100 Black 700c Shimano (Ksyrium S DCL Pr)LP1462100 Black 700c SRAM XD XDR (Ksyrium S DCL Pr XDR)Buy Mavic Wheels & Tyres from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Shimano Dura Ace R9200 12 Speed Cassette
  • £324.99
  • RRP £329.99
  • Saving you £2

Super lightweight 12speed HG+ cassette with a rigid carbon and alloy carrier for excellent shifting even under the most demanding gear changesHyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load,Close ratio gearing allows a more efficient use of energy through finer cadence control,Largest sprockets are mounted on lightweight alloy and carbon carriers to reduce weight and increase rigidity,5 largest sprockets are made from titanium to reduce weight without sacrificing strength,Sprockets are extensively cut away and drilled to further reduce weight without reducing rigidity,Nickel-plated finish offers hard wearing resistance to corrosion,Alloy cassette lockring,For Super Narrow 12-speed chains.

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Fulcrum Racing 5 700c Wheelset
  • £324.99

While the focus of the Racing 4 centers on aerodynamics, the Racing 5 looks to keep weight low and stability high in the event of cross winds. A lower profile rim measuring just 24.5mm front and 27.5mm rear in depth not only makes for increased stability and lower rotational mass but also reduces weight to a scant 1650gr for the pair. Lighter than the previous version by the same name.The Racing 5 DB tend to be more of a climber’s wheel that is ready to perform over any course. Straight pull spokes, disc specific hub and a 2-Way Fit Ready™ construction make for a sophisticated wheel in its own right that caters to climbers but is a perfect all around wheel forany athlete, road or cross as he or she may prefer.Key Features:Tyre Type: 2-Way Fit Ready,Road Weight: 1650 g,Rim height: Front 24.5mm and rear 27.5mm,Rim width: 23mm,Tyre Width: From 25mm to 50mm,Compatibility: QR/HH15-100/HH12-100 (no skewers incl.).

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Campagnolo Chorus Ultra Torque 11sp Double Chainset - Black - 50.34t}, Black
  • £322.99
  • RRP £432.99
  • Saving you £25

Campagnolo Chorus Ultra Torque 11sp Double ChainsetThe completely redesigned chainset represents increased rigidity as well as fresh and cutting edge aesthetics.The new version uses a 4 arm spider design which makes for one single crankarm for all chainring options thanks to its unified bolt pattern. Gone are the days of having a dedicated bolt pattern for standard chainrings and another for compact rings. No longer will changing from traditional to compact, or vice versa, translate into the obligatory purchase of a completely new chainset. The new bolt pattern allows for all 3 chainring standards 53/39, 52/36 and 50/34 to be built upon the same chainset. Changing between compact and standard is now as easy as changing 8 bolts and two chainrings. While the new 4-arm bolt pattern makes for a much more practical design that offers the cyclist a more versatile component, the Campy Tech Lab was dedicated primarily on increasing performance characteristics.The new design incorporates a 8 bolt pattern with a spider arm design that not only holds the chainring in place by way of the bolt but also supports the chainring and in doing so, increases system rigidity. In addition to completely redesigning the spider, Campagnolo engineers dedicated a great deal of energy towards a completely new crankarm that is a great deal stiffer than previous versions. Add this new highly rigid crankarm to the new four-arm spider design and you have a complete chainset that not only excels at transferring power more than any previous version but one that is also more versatile with respect to gearing.Features: BCD: Inner: 112mm; Outer:145mm Weight: 684gBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Chorus Ultra Torque 11sp Double Chainset - Black - 53.39t}, Black
  • £322.99
  • RRP £432.99
  • Saving you £25

Campagnolo Chorus Ultra Torque 11sp Double ChainsetThe completely redesigned chainset represents increased rigidity as well as fresh and cutting edge aesthetics.The new version uses a 4 arm spider design which makes for one single crankarm for all chainring options thanks to its unified bolt pattern. Gone are the days of having a dedicated bolt pattern for standard chainrings and another for compact rings. No longer will changing from traditional to compact, or vice versa, translate into the obligatory purchase of a completely new chainset. The new bolt pattern allows for all 3 chainring standards 53/39, 52/36 and 50/34 to be built upon the same chainset. Changing between compact and standard is now as easy as changing 8 bolts and two chainrings. While the new 4-arm bolt pattern makes for a much more practical design that offers the cyclist a more versatile component, the Campy Tech Lab was dedicated primarily on increasing performance characteristics.The new design incorporates a 8 bolt pattern with a spider arm design that not only holds the chainring in place by way of the bolt but also supports the chainring and in doing so, increases system rigidity. In addition to completely redesigning the spider, Campagnolo engineers dedicated a great deal of energy towards a completely new crankarm that is a great deal stiffer than previous versions. Add this new highly rigid crankarm to the new four-arm spider design and you have a complete chainset that not only excels at transferring power more than any previous version but one that is also more versatile with respect to gearing.Features: BCD: Inner: 112mm; Outer:145mm Weight: 684gBuy Campagnolo Components from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Campagnolo Chorus Ultra Torque Carbon Chainset 11Speed Chainsets
  • £322.99
  • RRP £432.99
  • Saving you £25

The Campagnolo Chorus EPS groupset takes a great deal of its DNA from its mechanical counterpart as it represents a more accessible version of Campagnolo performance, quality and attention to detail but delivers it in the laser-like precision package of an EPS drivetrain. A completely new design, the Chorus EPS crankset represents increased rigidity as well as fresh and cutting edge aesthetics. Gone are the days of having a dedicated bolt pattern for standard chainrings and another for compact rings and no longer will changing from traditional to compact, or vice versa, translate into the obligatory purchase of a completely new crankset. The new bolt pattern allows for all 3 chainring standards 53/39, 52/36 and 50/34 to be built upon the same crankset. Changing between compact and standard is now as easy as changing 8 bolts and two chainrings. While the new 4-arm bolt pattern makes for a much more practical design that offers the cyclist a more versatile component, the Campy Tech Lab was dedicated primarily on increasing performance characteristics. The new design incorporates a 8 bolt pattern with a spider arm design that not only holds the chainring in place by way of the bolt but also supports the chainring and in doing so, increases system rigidity. In addition to completely redesigning the spider, Campagnolo engineers dedicated a great deal of energy towards a completely new crankarm that is a great deal stiffer than previous versions. Add this new highly rigid crankarm to the new four-arm spider design and you have a complete crankset that not only excels at transferring power more than any previous version but one that is also more versatile with respect to gearing.

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SRAM RED AXS XG-1290 12 Speed Cassette
  • £322.00
  • RRP £358.00
  • Saving you £10

The workhorse of X-Range™ gearing. The SRAM RED® XG-1290 cassette progresses fluidly and quickly through a wider range of gears. It’s specifically designed for wireless electronic shifting and the one-piece design offers you the best in weight savings.Key Features:Updated design for smoother and faster shifting,More gradual gear progression between cogs—at least five one-tooth jumps—while still offering a wider range,10-tooth start helps provide a wider gearing range,Designed to work with an XDR™ driver body,One-piece machined steel X-Dome™ design for weight savings,All Zipp wheels starting from 2012 are XDR™ ready,.Specifications:Speed (CS): 12sGearing: 10-26t, 10-28t, 10-33tCog finish (Cassette): SilverTechnology (Cassette): XGCog sizes: 10-26t;10,11,12,13,14,15,16,17,19,21,23,26, 10-28t;10,11,12,13,14,15,16,17,19,21,24,28, 10-33t;10,11,12,13,14,15,17,19,21,24,28,33

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Shimano XTR M9100 12 Speed Cassette - Black-Silver - 10-51t}, Black-Silver
  • £321.99

Shimano XTR M9100 12 Speed CassetteThe Shimano XTR M9100 12 Speed Cassette provides the smoothest, fastest and most reliable shifting performance imaginable. Featuring the new Hyperglide+ technology, which delivers the highest level of superior shifting, power-transfer and shifting stability.This cassette design is stiffer, lighter and more durable than anything that has come before it, combining titanium, aluminium and steel where it is best suited, this cassette is optimised for the toughest and most demanding rigours of mountain biking.Superb Shifting Smoothness Anywhere on the MountainDesigned with two intentions, the 10-45T cluster, featuring the Rhythm Step spec for exceptional Cross-Country shifting smoothness. This wide range can tackle any scenario and provide superb, smooth and consistent performance throughout the range of the cassette. The second gear cluster option is the Wide Range spec, which has been optimised for Enduro. providing exceptional shifting performance and reliability as the Rhythm Step does but has a huge 51T sprocket at the low end so you can climb any mountain gradient with ease.Features:Material: 5x Sprockets: Titanium; 3x Sprockets, Spider, Lock-Ring: Aluminium; 4x Sprockets: SteelUse: Mountain BikeDrivetrain Speed: 12-SpeedGearing Options: 10-45T (12-Speed Rhythm Step spec for Cross Country); 10-51T (12-speed Wide Range spec for Enduro)Freehub Engagement: Shimano Micro-SplineCompatible Chain: Shimano CN-M9100Spider Arm: OneType: HYPERGLIDE+Cassette Ratio: 10-45T (10-12-14-16-18-21-24-28-32-36-40-45T); 10-51T (10-12-14-16-18-21-24-28-33-39-45-51T)Part No: CS-M9100-12Weight: 349g (10-45T); 359g (10-52T)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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SRAM Red BB30 Exogram C2 Crank Set 2016 - Bearings NOT Included
  • £321.00
  • RRP £485.00
  • Saving you £34

Already a legend in its time, the SRAM RED Exogram Crankset is now available with refreshed graphics to compliment our new SRAM RED eTap componentry. The SRAM RED Exogram crankset features a completely hollow construction all the way to the spider. Its hidden bolt pattern makes better use of carbon fiber to further improve stiffness and shed weight. As always, for seamless, flawless performance and Yaw compatibility, pair this crank with X-GlideR chainrings.Exogram™ technology uses a large, hollow cross section all the way to the spider, minimizing weight while maximizing stiffness.,Our stiffest crank ever,Hidden bolt pattern leverages the characteristics of carbon fiber while presenting a sleek appearance,Stiffer X-GlideR™ chainrings feature thicker construction and advanced shift timing pins and ramps, which are optimized for shifting with the Yaw™ Front Derailleur,ISO 4210 compliant..

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FSA SL-K Adventure 386Evo Road Chainset Cranksets
  • £320.99
  • RRP £379.95
  • Saving you £16

This stunning model features an adaptable BB386 EVO 30mm spindle, allowing it to fit a wide variety of frames with a range of BB standards. Its hollow carbon fibre arms with UD finish deliver superb pedal stroke performance thanks to their lightweight construction. This model fits Shimano and SRAM 10/11 speed systems.

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Race Face Aeffect 650B MTB Wheelset Wheel Sets
  • £319.99
  • RRP £359.99
  • Saving you £11

The heart of any wheelset is its hub and this AEffect wheel has a strong heart indeed. The hubs feature a robust design, running on custom cartridge bearings that mean quick and true hub engagement while still staying light and fast for those long epic trail rides.

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