Commencal Meta HT AM Hardtail FrameAn ideal platform from which to build up a truly modern “go anywhere” hardtail, the Meta HT AM triple butted alloy frame is ready for any trail and any type of rider. With its slack angles, 160mm travel fork compatibility and huge tyre clearance for up to 27.5x2.8” tyres, it’s ready for any challenge. Other modern touches include internal cable routing, dropper seatpost cable routing, plus moulded chainstay and seatstay protectors as a barrier against chain slap. The Boost type spacing at the rear enables the use of wider hubs and wheels for better stability and power transfer.Modern Hardtail Mountain Bike Frame with Updated GeometryThe first-choice for many, the Meta HT AM frame quite simply makes you want to ride. To stay ahead of the curve, Commencal looked at the little details that make the difference. On this updated version, the seat tube is lowered, which means it is now possible to install a longer travel seat post. Also, the choice of size is no longer restricted by a seat tube that's too high - this is particularly useful for those who want a longer bike.Compatible with 650b and 29er WheelsA semi-rigid frame allows more pedalling efficiency, has a lighter weight and it reduces essential maintenance. Also, the Commencal Meta HT AM Hardtail Frame facilitates both 27.5 and 29-inch wheels. The 27.5” (650b) wheels are recommended for small and medium sized riders or those who prefer increased handling, comfort and grip, 29” wheels are recommended for medium and large sized riders or for those who favour efficiency, precision and performance.Features: Frame: 2021 Meta HT, 6066 T6 alloy, moulded chainstay and seatstay protection Headset Dimension: Tapered 1-1/8" / 1-1/2" Headset Size: ZS44/ZS56 (not included) Recommended Fork Travel: 160mm Recommended / Max. Fork Height: 552mm / 562mm Bottom Bracket Type: 68mm BSA threaded (not included) ISCG Tabs: No Seat Post Size: 31.6mm (not included) Seat Post Clamp: Single bolt, 34.9mm (not included) Maximum Tyre Sizes: 27.5x2.8 or 29x2.35" Disc Brake Standard: IS (International Standard) Rear Rotor Max Size: 200mm Rear Hub Compatibility: 12x148mm Maxle Standard Boost Warranty: 5 years frame, 6 months paint/decals Included: Meta AM HT frame, 12x148mm rear thru-axle, Chainstay protector, Seatstay protector Weight: 2.1kg / 4lbs 9.9ozBuy Commencal Bikes from Chain Reaction Cycles, the World's Largest Online Bike Store.
Commencal Meta HT AM FrameThe Meta HT AM Frame is strong, lightweight and versatile all mountain hardtail frame that's ideal for cross country, trail and all mountain riding. It features long and slack enduro-inspired geometry and is compatible with 160mm-travel suspension forks and has a huge-tyre clearance for 27.5x2.8" tyres. Plus, it's compatible with 27.5" or 29" wheels, has internal cable routing, dropper post cable routing and Boost type rear hub axle spacing.Modern Hardtail Mountain Bike Frame with Updated GeometryThe first choice for many, the Meta HT AM frame quite simply makes you want to ride. To stay ahead of the curve, Commencal looked at the little details that make the difference. On this updated version, the seat tube is lowered, which means it is now possible to install a longer travel seat post. Also, the choice of size is no longer restricted by a seat tube that's too high - this is particularly useful for those who want a longer bike.Compatible with 650b and 29er WheelsA semi-rigid frame allows more pedalling efficiency, has a lighter weight and it reduces essential maintenance. Also, the Commencal Meta HT AM Hardtail Frame facilitates both 27.5 and 29-inch wheels. The 27.5” (650b) wheels are recommended for small and medium sized riders or those who prefer increased handling, comfort and grip, 29” wheels are recommended for medium and large sized riders or for those who favour efficiency, precision and performance. Ideal for Enduro, All Mountain and Trail RidingCommencal research confirms that it is the bike in their range that is most widely used, and to do most things! Enduro, off-road rides, urban missions, pump track laps. It goes everywhere. Versatile, Durable and Stylish Hardtail All Mountain FrameCommencal believed in this bike many years ago and we have become real specialists. To keep current, they've worked on the smallest details that make the biggest differences. One upgrade is that the seat tubes are lowered. It's a choice of reason which offers two advantages: It is now possible to fit longer travel seat posts The choice of frame size is no longer limited by a seat tube that is too high when purchasing the complete bike. Particularly useful for those who want a longer bikeFor the rest, Commencal is continuing with the winning formula that made this bike design so successful. And it's development revolves around reliability as a priority: A semi-rigid frame which allows for better pedalling, a lighter weight and reduced maintenance A fork with 150mm or 160mm travel which provides comfort and/or safety depending where and how it's being used Models are now fitted as standard with 29/27 wheels in sizes S/M and 29-inches in sizes L/XL The frame can still fit a 27.5-inch and 29-inch wheel no matter what the frame sizeThe Commencal Meta HT AM Frame is one of those frames that simply makes you want to ride! Features: Frame Material: Al 6061 T6 Frame Weight: 2.1 kg / 4.6 lbs Recommended / Max Fork Height: 561 mm / 572 mm Headset Dimension: Tapered 1 1/8" / 1 1/2" Headset Type: ZS44 / ZS56 Maximum Tyre Dimension (ETRTO): 27.5" - 71-584 Disc Brake Standard: International Standard Rear Rotor Max Size: 200 mm Seatpost / Seat Clamp Diameter: 31.6 mm / 34.9 mm Minimum Seatpost Insert: 120 mm Bottom Bracket Type: 68 mm BSA Maximum Chainring Size: 34T ISCG Mounts: No Front Derailleur Type: No Rear Hub Compatibility: 148 x 12 mm Maxle standard boost Accessories: Chainstay protector, seatstay protector, rear axleBuy Commencal Frames & Forks from Chain Reaction Cycles, the World's Largest Online Bike Store.
4iiii Dura Ace 9100 PRECISION 3.0 PowermeterPerfect for riders who want to track and improve their performance during their training sessions, this high-quality 4iiii powermeter comes factory installed into a Shimano Dura Ace 9100 left-sided crank arm. Providing an ultra-precise +/- 1% accuracy with an impressively light 9g weight, it is kitted out to help you achieve your performance goals and get the best out of every training ride. 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 800 hours of battery life from its long-lasting coin cell battery, the 4iiii Shimano Dura Ace 9100 PRECISION 3.0 Powermeter is all set for taking your training to the next level.Shimano Dura Ace 9100 Crank ArmThe Shimano Shimano Dura Ace 9100 crank arm offers system engineering at its peak. Each of the components magnifies in the series provides an unparalleled level of performance. Optimising input to maximise output. That's how it achieves supremacy. The choice of the world's best climbers, sprinters, and time trialists, the Dura-Ace crank drops weight while maximising power transfer. Its design and iconic look are adapted for modern-day road racing.Up To 800 Hour Battery LifeWith up to 800 hours of battery life, you won't have to worry about changing your battery for years to come.+/- 1% AccuracyEveryone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.9g Weight4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time.Features: Accuracy: +/- 1% Battery Life: Up To 800 hours Battery Type: CR2032 Coin Cell Waterproof Rating: IPx7 Cadence Range: 30 - 170 RPM Power Range: 0 - 4,000 W Height: 5.5mm Operating Temperature: 0 To 50 degrees celsius Connectivity: ANT+, Bluetooth Arm Type: Shimano Dura Ace 9100 Single or Pair: Single, left-sided arm Weight: 9gTechnologies: 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.Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
4iiii Shimano XTR M9100 PRECISION 3.0 PowermeterTailored for mountain bike (MTB), Cross Country (XC) and enduro riders who want to take their training sessions up a level, this lightweight powermeter comes factory fitted into a Shimano XTR M9100 left-sided crank arm. At 5.5mm high, this Precision 3.0 powermeter is compatible with almost every bike frame on the market and thanks to its lightweight crank arm design itis optimised for maximum power-transfer efficiency without sacrificing stiffness. In addition, the built-in 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 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 3How do you define success? 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 backed by our legendary 3-year warranty, the PRECISION 3 Powermeter will be your trusted training tool for years to come. A Ride Ready PRECISION includes and comes preinstalled on a brand-new Shimano crank arm of your choice. These crank arms will fit bottom brackets using the Hollowtech II interface.Shimano XTR M9100 Crank Arm27 years of development and Shimano is right back to where it all started, introducing the ultimate MTB race components. Designed to meet the highest level competitive mountain bike racing needs with a second to none performance and experience. The XTR M9100 Series brings the most versatile groupset for XC, enduro and marathon racing.ANT+ and Bluetooth Compatible4iiii PRECISION 3 power meters use both the ANT+ PWR and Bluetooth Smart Cycling Power Service standards, which makes them compatible with nearly every headunit, smartphone, or computer you wish to connect to. Check your recording device documentation for ANT+ PWR or Bluetooth Smart (also called BLE, BTLE, or BT4.0) Cycling Power Service capability.Indoor TrainingIf the weather or climate makes riding outdoors tough, your 4iiii PRECISION 3 powermeter can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app's connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding.4iiii WarrantyRidden through rain storms at Strade Bianche, mud-filled cross country mountain bike races, and even tested amidst the salt spray of the ocean on Oracle Team USA's America's Cup competitors, you can be assured that your 4iiii Powermeter will be as tough as you are and is backed with an industry-leading 4iiii 3-year warranty. All 4iiii Powermeters are IPX7-rated for water immersion up to one meter and backed with an industry-leading 3-year warranty.Features: Crankarm: Shimano XTR M9100 Use: Mountain Bike (MTB), Cross Country (XC) and Enduro Accuracy: +/- 1% Battery Type: CR2032 Coin Cell; Battery Life: Up to 800 hours Waterproof: IPx7 Cadence Range: 30 - 170 RPM; Power Range: 0 - 4,000 W Height: 5.5mm Operating Temperature: 0 to 50 degrees C Communication Protocols: ANT+, Bluetooth Single or Pair: Single, left-sided crankarm onlyTechnologies: 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+ & 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. In The Box: Once your ride-ready PRECISION 3 powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a headunit or computer, and you can start riding with power!Manufacturer's Part Numbers: PML300-S21B00A Black 170mm PML300-S21D00A Black 175mmBuy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
Metron 4D Di2 Compact BarContinuous carbon composite construction.,Aero-ergo flat-top rise central section follows the natural arc of the arm with a 10° forward bend for a more ergonomic climbing position and easier breathing.,Cable groove compatible with the new Di2 systems with larger internal cable tunnel.,Reinforced and textured lever and stem clamping areas.,Ø31.8mm × 400 + 10mm, 420 +10mm, 440 + 10mm,125mm drop, 80mm reach.,2° outward bend.,UD carbon finish.,Colour graphics options: red, grey.,Weight: 240g.
4iiii Dura-Ace FC-R9100 Left Arm Power MeterTake your training to the next level with this Left Arm Power Meter from 4iiii. This meter records your pedal power and wirelessly sends your overall output directly to a compatible device, so you can always stay on top of your performance and perfect your pedal output for race day. Innovative, Onboard Power and Cadence MeterDesigned for use with Shimano Dura-Ace FC-R9100 cranksets, it utilises ANT+ and Bluetooth connectivity to relay your data right to your smartphone or onboard computer, giving precision measurements to within +/-1% to keep you pedalling at your peak. With 100+ hours of battery life and a strong IPX7 waterproof rating, it is an excellent accessory for the performance-focused rider.Features:Accuracy: Measures to within +/-1%Crankset compatibility: Shimano Dura-Ace FC-R9100Wireless Connectivity: ANT+, BluetoothDimensions: 37.7x27.6x7.5mmPower Range: 0-4000wCadence Range: 30-150rpmWaterproof Rating: IPX7, IPX5Battery: CR2032 Lithium-Ion coin cell, 100+ hoursWeight: 8gBuy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
MOTOCROSS FOR MOUNTAIN BIKERSNo other helmet manufacturer has deeper roots in motocross. Much of what Bell engineers learned from creating the award-winning Moto-9 helmet went into the Full-9 full-face mountain bike helmet. Take that unrivaled experience combine it with feedback from downhill and BMX pros and you have the winning formula. The Full-9 meets the most stringent ASTM Downhill Mountain Bike Racing standard as well as CPSC and CE bicycle safety benchmarks. Additional motocross trickle-down technologies include the Eject Helmet Removal System and magnetic cheekpads. Beyond that the Full-9 includes features like Soundtrax built-in speaker pockets and audio cable routing and an integrated breakaway camera mount. Add in a lightweight carbon shell a wide field of view Overbrow Ventilation intakes and Velocity Flow Ventilation and you have the world’s most advanced helmet for DH or BMX.FEATURESLightweight full carbon shellOverbrow Ventilation features intake ports on the brow of the helmet to usher in cool air and push it through the air-channel matrix for full-head ventilationOriginally developed for moto use the Velocity Flow Ventilation system pulls air through the internal venting system to help keep the rider cool and dry10 helmet vents 3 brow portsIntegrated Eject compatibility: In case of a crash this design lets first responders gently remove helmet from a rider's head reducing the potential for secondary injuriesIntegrated breakaway camera mount requiring no zip ties or tape designed to 'break away' upon impact to reduce the risk of injuryMagnefusion magnetic cheekpads: Integrated system makes it easy to remove cheekpads after a crash or swap them out for cleaning and dryingXT-2 extended wear interiorFlying Bridge visor: Originally developed for moto use this visor's side-mounted screws are easy to adjust even while wearing glovesCE EN1078 ASTM F1952-00 (Downhill) ASTM F2032-06 (BMX) certifiedCONSTRUCTIONLightweight full carbon shellVENTILATION10 helmet ventsWEIGHT1130 grams (size M)
The stages power l for shimano grx rx810 is built onto the non-drive side of a shimano grx rx810 crank arm and is compatible with all frames that fit shimano grx rx810 cranks. Specifications: Stages power accuracy: ±1.5% (compares with generation 2.0 accuracy: ± 2%), Weight: only adds 15gr to base crank arm, Battery life: 200+ hours (coin cell: cr2032), Power range (watts): 0 to 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 compatibility: stages link, training peaks, strava, garmin training center and others,. Additional Features: Active temperature compensation, Accelerometer based cadence measurement, Tool free battery replacement,Lifetime access to stages link for power meter management and firmware upgrade,.
A ride ready PRECISION 3 pod is already preinstalled on a brand-new Shimano crank arm at our factory. The moment you order, our fulfillment team will get it on its way to you, and you should be able to ride with power as soon as it arrives.Once your ride-ready PRECISION 3 powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a headunit or computer, and you can start riding with power!Indoor TrainingIf the weather or climate make riding outdoors tough, your 4iiii PRECISION 3 powermeter can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app's connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding!SpecificationsAccuracy: +/- 1%,Battery Type: CR2032 Coin Cell,Battery Life: Up to 800 hours,Waterproof Rating: IPx7,Cadence Range: 30 - 170 RPM,Power Range: 0 - 4,000 W,Height: 5.5mm,Weight: 9g,Operating Temperature: 0 to 50 °C,Communication Protocols: ANT+, Bluetooth.Accuracy in 3DNot 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 ProfileWith an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before.Indicator LightAt 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!WaterproofBased 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+ & BluetoothGet 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.
A ride ready PRECISION 3 pod is already preinstalled on a brand-new Shimano crank arm at our factory. The moment you order, our fulfillment team will get it on its way to you, and you should be able to ride with power as soon as it arrives.Once your ride-ready PRECISION 3 powermeter arrives, it just needs to be installed on your bike using the standard Shimano crank installation process. Connect a headunit or computer, and you can start riding with power!Indoor TrainingIf the weather or climate make riding outdoors tough, your 4iiii PRECISION 3 powermeter can be used with all popular indoor-training apps, such as Zwift, TrainerRoad, Wahoo SYSTM, Rouvy, and more. Simply use your favourite app's connection procedure over ANT+ or Bluetooth Smart, put your bike on a trainer, and get riding!SpecificationsAccuracy: +/- 1%,Battery Type: CR2032 Coin Cell,Battery Life: Up to 800 hours,Waterproof Rating: IPx7,Cadence Range: 30 - 170 RPM,Power Range: 0 - 4,000 W,Height: 5.5mm,Weight: 9g,Operating Temperature: 0 to 50 °C,Communication Protocols: ANT+, Bluetooth.Accuracy in 3DNot 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 ProfileWith an ultra low profile design, the PRECISION 3 is compatible with more bike frames than ever before.Indicator LightAt 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!WaterproofBased 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+ & BluetoothGet 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.
4iiii RX810 GRX NDS PRECISION 3.0 PowermeterThis ready to ride powermeter comes factory installed into a Shimano RX810 GRX left-sided crank arm, which makes it perfect for gravel adventure riders and road cyclists who want to push their training sessions to the limit for maximum performance gains. Showing off a design that boasts up to 800 hours of battery life, it uses a long lasting coin cell battery to survive the most demanding of training rides across rough, mixed terrain conditions. 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. Coming complete 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.Shimano RX810 GRX Crank ArmShimano GRX, with its gravel-specific ergonomics, optimised gearing options, rugged reliability, and quiet and stable drivetrain, sets itself apart from the rest of the component world. It isn't a reworked set of road components. It represents a ground up look at how cyclists want to explore their world. Shimano GRX helps you eliminate excuses, instead urging you to try that rough sidetrack or ride that little bit longer. It offers you the option to explore beyond.Up To 800 Hour Battery LifeWith up to 800 hours of battery life, you won't have to worry about changing your battery for years to come.+/- 1% AccuracyEveryone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.9g Weight4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time.Features: Accuracy: +/- 1% Battery Life: Up To 800 hours Battery Type: CR2032 Coin Cell Waterproof Rating: IPx7 Cadence Range: 30 - 170 RPM Power Range: 0 - 4,000 W Height: 5.5mm Operating Temperature: 0 To 50 degrees celsius Connectivity: ANT+, Bluetooth Arm Type: Shimano RX810 GRX Single or Pair: Single, left-sided arm, non drive side (NDS) Weight: 9gTechnologies: 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.Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.
4iiii Ultegra 8000 PRECISION 3.0 PowermeterThis high-quality powermeter comes factory fitted into a Shimano Ultegra 8000 left-sided crank arm, making it perfect for road cyclists who want to take their training sessions up a level. 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. 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. One final highlight is that it boasts up to 800 hours of battery life from its long-lasting coin cell battery.Shimano Ultegra 8000 Crank ArmThe Shimano Ultegra 8000 series is "pro-proven" as it is a direct trickle-down from the Dura-Ace groupset. As a road bike component, the stress-free operation is one of the most important features to lead all-day riding comfort with braking and shifting. Ride harder with superior ergonomics. Advanced control in all conditions. Customisable for your racing style.Up To 800 Hour Battery LifeWith up to 800 hours of battery life, you won't have to worry about changing your battery for years to come.+/- 1% AccuracyEveryone has a unique pedal stroke. 4iiii's patented 3D strain gauge measures all forces to deliver precision accuracy.9g Weight4iiii has confirmed that it makes the lightest power meter on the market. The brand is committed to helping you get faster, one gram at a time.Features: Accuracy: +/- 1% Battery Life: Up To 800 hours Battery Type: CR2032 Coin Cell Waterproof Rating: IPx7 Cadence Range: 30 - 170 RPM Power Range: 0 - 4,000 W Height: 5.5mm Operating Temperature: 0 To 50 degrees celsius Connectivity: ANT+, Bluetooth Arm Type: Shimano Ultegra 8000 Single or Pair: Single, left-sided arm Weight: 9gTechnologies: 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.Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.