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SRAM Quarq AXS Aero Power Meter Kit - 50T
  • £718.00
  • RRP £798.00
  • Saving you £10

The SRAM Quarq AXS Aero Power Meter Kit makes use of a unique direct mount aerodynamic X-SYNC chainring with an integrated Quarq Dzero power meter that improves aerodynamic performance, while providing impeccable chain retention and accurate power measurement. Unique one-piece chainring design features a built in Quarq Dzero Power MeterPower meter is accurate within +/- 1.5% and balances power between left and right leg separatelySingle chainring design simplifies functionality and reduces weightX-SYNC chainrings provides impeccable chain retention8-bolt direct mount interface - only compatible with SRAM Red D1 and Force D1 cranksThe X-Sync chainring features a special laser-etched finish that is more durable, improving the usable life of the chainring; this isn't just for race day only. The unique X-Sync narrow-wide too profile is not only supremely efficient and durable, but it also provides impeccable chain retention. Unlike other SRAM chainrings, the Quarq AXS Power Meter uses a unique 8-bolt direct mount interface that is only compatible with SRAM Red D1 and Force D1 cranks.The integrated Quarq Dzero is cleverly packaged as part of the chainring, reducing weight and making it possible to switch the power meter between compatible Red chainsets. The power meter has a power balance feature, that measures power from left and right legs separately and is accurate within +/- 1.5%, giving a highly accurate reading to help you train and ride harder.

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SRAM Quarq AXS Aero Power Meter Kit - 52T
  • £718.00
  • RRP £798.00
  • Saving you £10

The SRAM Quarq AXS Aero Power Meter Kit makes use of a unique direct mount aerodynamic X-SYNC chainring with an integrated Quarq Dzero power meter that improves aerodynamic performance, while providing impeccable chain retention and accurate power measurement. Unique one-piece chainring design features a built in Quarq Dzero Power MeterPower meter is accurate within +/- 1.5% and balances power between left and right leg separatelySingle chainring design simplifies functionality and reduces weightX-SYNC chainrings provides impeccable chain retention8-bolt direct mount interface - only compatible with SRAM Red D1 and Force D1 cranksThe X-Sync chainring features a special laser-etched finish that is more durable, improving the usable life of the chainring; this isn't just for race day only. The unique X-Sync narrow-wide too profile is not only supremely efficient and durable, but it also provides impeccable chain retention. Unlike other SRAM chainrings, the Quarq AXS Power Meter uses a unique 8-bolt direct mount interface that is only compatible with SRAM Red D1 and Force D1 cranks.The integrated Quarq Dzero is cleverly packaged as part of the chainring, reducing weight and making it possible to switch the power meter between compatible Red chainsets. The power meter has a power balance feature, that measures power from left and right legs separately and is accurate within +/- 1.5%, giving a highly accurate reading to help you train and ride harder.

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SRAM Quarq AXS Power Meter Kit - 46/33T
  • £718.00
  • RRP £798.00
  • Saving you £10

The SRAM Quarq AXS Aero Power Meter Kit makes use SRAM's new X-Range gearing technology, offering smoother shifting and a wider gear range. The rings are combined with an integrated Quarq Dzero power meter that provides accurate power measurement. Unique one-piece chainring design features a built in Quarq Dzero Power MeterPower meter is accurate within +/- 1.5% and balances power between left and right leg separatelyX-Range gearing provides more range and smoother gear progression, so you're always in the right gear8-bolt direct mount interface - only compatible with SRAM Red D1 and Force D1 cranksUsing a unique one-piece design that bolts straight to the crank arms, the X-Range rings work in conjunction with the X-Range XG-1290 and XG-1270 cassettes to provide a wider gear range and smoother progression between gears, meaning you'll always be in the right gear. The unique 10t start of the cassettes means you can use smaller chainrings than normal while retaining a similar gear for top speed. The smaller chainrings also mean you'll have a lower bottom gear for punishing climbs. Unlike other SRAM chainrings, the Quarq AXS Power Meter uses a unique 8-bolt direct mount interface that is only compatible with SRAM Red D1 and Force D1 cranks.The integrated Quarq Dzero is cleverly packaged as part of the chainring, reducing weight and making it possible to switch the power meter between compatible Red chainsets. The power meter has a power balance feature, that measures power from left and right legs separately and is accurate within +/- 1.5%, giving a highly accurate reading to help you train and ride harder.

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SRAM Quarq AXS Power Meter Kit - 48/35T
  • £718.00
  • RRP £798.00
  • Saving you £10

The SRAM Quarq AXS Aero Power Meter Kit makes use SRAM's new X-Range gearing technology, offering smoother shifting and a wider gear range. The rings are combined with an integrated Quarq Dzero power meter that provides accurate power measurement. Unique one-piece chainring design features a built in Quarq Dzero Power MeterPower meter is accurate within +/- 1.5% and balances power between left and right leg separatelyX-Range gearing provides more range and smoother gear progression, so you're always in the right gear8-bolt direct mount interface - only compatible with SRAM Red D1 and Force D1 cranksUsing a unique one-piece design that bolts straight to the crank arms, the X-Range rings work in conjunction with the X-Range XG-1290 and XG-1270 cassettes to provide a wider gear range and smoother progression between gears, meaning you'll always be in the right gear. The unique 10t start of the cassettes means you can use smaller chainrings than normal while retaining a similar gear for top speed. The smaller chainrings also mean you'll have a lower bottom gear for punishing climbs. Unlike other SRAM chainrings, the Quarq AXS Power Meter uses a unique 8-bolt direct mount interface that is only compatible with SRAM Red D1 and Force D1 cranks.The integrated Quarq Dzero is cleverly packaged as part of the chainring, reducing weight and making it possible to switch the power meter between compatible Red chainsets. The power meter has a power balance feature, that measures power from left and right legs separately and is accurate within +/- 1.5%, giving a highly accurate reading to help you train and ride harder.

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Stages Cycling Power Meter Ultegra R8000 LR
  • £715.00

Stages Power LR for Shimano Ultegra R8000 is a dual-sided power meter for those who desire bilateral measurement.SPECIFICATIONS:Accuracy: ± 1.5%,Weight: Only less than 35gr to base crank arm,Battery Life: 200+ hours (coin cell: CR2032),Power range (Watts): 0 - 2500,Cadence range (rpm): 20 - 220,Water resistance rating: IPX7,Frame Compatibility: Most frames, see fit guide in our Support section,Device Compatibility: ANT+, Bluetooth Smart Ready,Software Compatibiity: Stages Link, Today's Plan, Training Peaks, Strava, Garmin Training Center and others.ADDITIONAL FEATURES:Tool free battery replacement,Active temperature compensation,Accelerometer based cadence measurement,Wireless firmware upgrades.

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4iiii Ultegra 8000 Precision 2.0 Dual Sided Power Meter
  • £689.00

Ridden by the pros, PRECISION PRO dual-side power meters deliver all the benefits of our left-side model (exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D powermeter technology), plus a specific breakdown of left and right wattage. Perfect for those who need specific power output from each crank side, or anyone who simply wants the best power meter on the market.The PRECISION PRO Ride Ready comes pre-installed on a new Shimano crankset.Key Features: 3D power meter technology (patent pending) measures tri-axial strain on your crank, Accurate, consistent data, Lightweight, compact design, Battery status indicator via 4iiii app, Compatible with ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products, User-friendly app and configurable rider compensation scale factor, Easy setup and maintenance, Over-the-air upgrade capability for adding new features and updates,.Specifications: Weight: 25 grams (power meter only), Data accuracy: +/- 1% error margin, Battery life: 100+ hours on 2032 coin cell battery, Battery status indicator: Alert at 15% battery power.

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4iiii Precision Pro Ultegra R8000 Power Meter - Black - 50.34t}, Black
  • £689.00

4iiii Precision Pro Ultegra R8000 Power MeterDesigned to give every level of rider a professional standard of performance analysis, this excellent onboard power meter measures your outputs to within one percent and uses wireless technology to relay the data straight to your device. Gauging your pedal power and cadence, this Shimano Ultegra R8000-compatible model features 3D power meter technology to read tri-axial crank strain, to produce super accurate riding data. Top-Performance, Precision Power Meter Compatible with a variety of ANT+ and Bluetooth Smart phones, computers and other devices, the Precision Pro syncs with the 4iiii app which lets you monitor the rider compensation scale and other analysis features. Fitting snugly on your crankset, it measures the individual outputs of both legs for a concise and unobtrusive experience and relays the information to your chosen gadget. Coming equipped with a 100+ hour coin cell battery, this top-level training companion helps to keep an eye on your progress mile after mile. Features: Compatibility: Shimano Ultegra R8000 drivetrain Battery Life: 100+ hours on 2032 coin cell battery Connectivity: ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products Technology: 3D power meter technology (patent pending) measures tri-axial strain on your crank Accuracy: +/- 1% Upgrades: Over the air capability Weight: 25g Buy 4iiii Components  from Chain Reaction Cycles, the World's Largest Online Bike Store.

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4iiii Precision Pro Ultegra R8000 Power Meter - Black - 53.39t}, Black
  • £689.00

4iiii Precision Pro Ultegra R8000 Power MeterDesigned to give every level of rider a professional standard of performance analysis, this excellent onboard power meter measures your outputs to within one percent and uses wireless technology to relay the data straight to your device. Gauging your pedal power and cadence, this Shimano Ultegra R8000-compatible model features 3D power meter technology to read tri-axial crank strain, to produce super accurate riding data. Top-Performance, Precision Power Meter Compatible with a variety of ANT+ and Bluetooth Smart phones, computers and other devices, the Precision Pro syncs with the 4iiii app which lets you monitor the rider compensation scale and other analysis features. Fitting snugly on your crankset, it measures the individual outputs of both legs for a concise and unobtrusive experience and relays the information to your chosen gadget. Coming equipped with a 100+ hour coin cell battery, this top-level training companion helps to keep an eye on your progress mile after mile. Features: Compatibility: Shimano Ultegra R8000 drivetrain Battery Life: 100+ hours on 2032 coin cell battery Connectivity: ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products Technology: 3D power meter technology (patent pending) measures tri-axial strain on your crank Accuracy: +/- 1% Upgrades: Over the air capability Weight: 25g Buy 4iiii Components  from Chain Reaction Cycles, the World's Largest Online Bike Store.

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Giant Power Pro Ultegra R8000 Power Meter
  • £679.99
  • RRP £799.99
  • Saving you £15

  Tracking your power output and training data has never been easier or more accessible. Giant’s all-new Power Pro system delivers accurate power metrics through an integrated system that’s precise reliable and simple to set up. The pros know that the most effective training is smart training so get in the know and start training with power.   FEATURES   +/- 2 % accuracy at 150w/80rpm (each side) Giant-exclusive algorithm ensures accurate and stable data output with no environmental distractions Accelerometer allows magnet-free measurement LED indicator displays battery level and alerts recharge when power gets below 20% Integrated magnetic rechargeable design protects device from water and dust ingress IPX7 waterproof Bluetooth® Smart/ANT+ compatible for broad compatibility easy calibration and firmware updates. High-capacity lithium battery delivers up to 100 hours of riding on a single charge 2 year warranty world-wide Various crank lenghts available on either 50/34 or 52/36 SPECIFICATIONS Accuracy ± 2% Weight Left side 16g; Right side 16g Power range 0 – 3000 watts Cadence range 20-180 rpm Water Rating IPX7 Battery Rechargeable lithium-ion Battery Life 100 hours Connections Bluetooth® Smart/ANT+

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4iiii Precision Pro Ultegra R8000 Power Meter - Black - 52.36t}, Black
  • £674.99

4iiii Precision Pro Ultegra R8000 Power MeterDesigned to give every level of rider a professional standard of performance analysis, this excellent onboard power meter measures your outputs to within one percent and uses wireless technology to relay the data straight to your device. Gauging your pedal power and cadence, this Shimano Ultegra R8000-compatible model features 3D power meter technology to read tri-axial crank strain, to produce super accurate riding data. Top-Performance, Precision Power Meter Compatible with a variety of ANT+ and Bluetooth Smart phones, computers and other devices, the Precision Pro syncs with the 4iiii app which lets you monitor the rider compensation scale and other analysis features. Fitting snugly on your crankset, it measures the individual outputs of both legs for a concise and unobtrusive experience and relays the information to your chosen gadget. Coming equipped with a 100+ hour coin cell battery, this top-level training companion helps to keep an eye on your progress mile after mile. Features: Compatibility: Shimano Ultegra R8000 drivetrain Battery Life: 100+ hours on 2032 coin cell battery Connectivity: ANT+, Bluetooth Smart head units, smartphones, and other 4iiii products Technology: 3D power meter technology (patent pending) measures tri-axial strain on your crank Accuracy: +/- 1% Upgrades: Over the air capability Weight: 25g Buy 4iiii Components  from Chain Reaction Cycles, the World's Largest Online Bike Store.

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4iiii Precision Pro Ultegra R8000 Power Meter Power Meter Chainsets
  • £674.99
  • RRP £689.00
  • Saving you £2

Whether you're training for an event or wanting to beat your previous goals, the Precision Pro is the ultimate component for the job. This dual-sided model (comes with both crank arms, left crank arm has strain gauges built-in) provides readings with an accuracy of within +/- 1% and can be used with your Shimano Ultegra R8000 drivetrain. 4iiii has built on what it learned when producing their left-side model (exceptional accuracy, lightweight design, ANT+ and Bluetooth compatibility, 3D power meter technology), by developing the technology even further for increased precision of the readings. This model is assembled within Shimano's stunning Ultegra R8000 crankset and measures the individual power output of each leg. ANT+ and Bluetooth connectivity allow you to wirelessly connect to it using your smartphone and a wide variety of devices. Accurate and consistent, its smartphone app also gives you access to the rider compensation scale and other useful features such as a battery status indicator. The app also allows you to enjoy over-the-air upgrade capabilities such as adding new features and updates. What's most impressive is its battery life lasts 100+ hours on a 2032 coin cell battery, so you'll benefit from precise and reliable data for longer than ever before. Lightweight and compact, this is a perfect choice of upgrade for riders who want to take their road cycling to the next level.  

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Quarq Powermeter Spider Assembly For Specialized
  • £668.00

QUARQ POWERMETER SPIDER ASSEMBLY FOR SPECIALIZED

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