Whether you’re a pro or simply training hard, PRECISION powermeters deliver industry-leading accuracy, highly dependable cadence data, 3D powermeter technology capable of measuring tri-axial strain on your crank arm. Designed to be durable and lightweight, compatible with ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.PRECISION Ride Ready comes installed on a new Shimano left crank arm (105, Ultegra, or Dura-Ace). These crank arms will fit bottom brackets using the Hollowtech ii interface. Key Features: 3D powermeter technology (patent pending) measures tri-axial strain on your crank arm, 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, . Specifications: Weight: 9 grams, Data accuracy: +/- 1% error margin, Battery life: 100+ riding hours on 2032 coin cell battery.
Whether you’re a pro or simply training hard, PRECISION powermeters deliver industry-leading accuracy, highly dependable cadence data, 3D powermeter technology capable of measuring tri-axial strain on your crank arm. Designed to be durable and lightweight, compatible with ANT+ and Bluetooth head units, PRECISION helps you train harder and smarter.PRECISION Ride Ready comes installed on a new Shimano left crank arm (105, Ultegra, or Dura-Ace). These crank arms will fit bottom brackets using the Hollowtech ii interface.Key Features:3D powermeter technology (patent pending) measures tri-axial strain on your crank arm,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,.Specifications:Weight: 9 grams,Data accuracy: +/- 1% error margin,Battery life: 100+ riding hours on 2032 coin cell battery.
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.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,.Display Compatibility:Android Apps:CatEye Cycling,Endomondo,Strava,Wahoo Fitness: Workout Tracker,Plus other apps supporting Bluetooth Smart/LE bike power devices,.Cateye:Stealth EVO+,Stealth 50,Strada Smart,Padrone Smart,Padrone Smart+,.Garmin:Edge 500,Edge 510*,Edge 520*,Edge 800,Edge 810*,Edge 820*,Edge 1000*,Edge Explore 1000*,epix*,Forerunner 310XT,Forerunner 910XT*,Forerunner 920XT*,fenix 2*,fenix 3*,fenix 3 HR*,*These Garmin devices are recommended as they provide dual-related power metrics such as left-right balance percentage,.iOS Apps:CatEye Cycling,Endomondo,Strava,TrainerRoad,Wahoo Fitness: Workout Tracker,Plus other apps supporting Bluetooth Smart/LE bike power devices,.Polar:M450,V800 BTLE,Please note the Polar V650 is not compatible,.Suunto:Ambit3 Sport (Bluetooth),.
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.
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.
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.
4iiii Precision Pro 105 R7000 Dual Power MeterPerfect for road cyclists who want to take their training sessions up a notch, this dual-sided powermeter comes factory fitted into the crankarms of a Shimano 105 R7000 crankset. With an ultra-precise +/- 1% accuracy, this model is equipped to help you reach your new personal best. Boasting up to 100+ hours of battery life from its long-lasting lithium-ion coin cell battery and coming kitted out with a range of performance-enhancing features, this is an ideal choice for getting the best out of every training session.Used to pace attacks up the Alpe D'Huez in the Tour de France and to hammer on the Queen K during the Ironman World Championships, the Precision Pro Powermeter delivers industry-leading accuracy and reliability when you need it most. Through 4iiii's patented 3D Strain Gauge technology, you can be assured that the data you depend on will help lead you to your own Yellow Jersey.The Precision Pro will allow you to view advanced metrics like left/right balance, pedal smoothness, torque effectiveness, and provide you with the most accurate power numbers during training and racing. Ridden by the top cyclists and triathletes in the world, the Precision Pro is the ultimate training tool to help you reach your goals.The Precision Pro Ride Ready comes pre-installed on a new Shimano 105 R7000 crankset.3D Power MeasurementWhen you put force through your pedals or crank, it doesn't just bend the crank - it twists and flexes in all three dimensions. 4iiii's patented 3D power measurement system measures this multidimensional strain, so you can be confident that your unique pedal stroke is still measured accurately no matter your riding conditions.Industry Leading Accuracy4iiii's +/- 1% accuracy isn't just a claim, it's been third-party tested and validated by leading scientists and the Locomotion Lab at the University of Colorado. You can plan your training, pacing, and racing with confidence knowing that your data is always going to be consistent. Don't limit your potential with unreliable data.Dual Channel ANT+ and Bluetooth Smart4iiii Powermeters communicate their measurements over both the widely-used ANT+ and Bluetooth Smart radio standards, letting you read and record your power numbers on an enormous catalogue of head units, sports watches, smartphones, and computers.3 Year Manufacturer's Warranty4iiii Powermeters are waterproof, durable, and designed to be accurate and precise even in the harshest conditions. Because of this, 4iiii are happy to offer an industry-leading 3-year warranty.Features: Crankset: Shimano 105 R7000 Use: Road Accuracy: +/- 1% Power Range: 0-4000W Cadence Range: 0-150RPM Communication Protocols: ANT+, Bluetooth Operating Temperature: 0 to 50 degrees C (32-122 degrees F) Storage Temperature: -20 to 50 degrees C (4-122 degrees F) Battery Type: CR2032 lithium ion coin cell Battery Life: 100+ hours Waterproof Rating: IPX7, IPX5 Length: 37.7mm (1.5in) Width: 27.6mm (1.1in) Depth: 7.5mm (0.3in) Module Weight: Non-drive Side: 9g (0.3oz), Drive Side: 16g (0.6oz), Total: 25g (0.9oz)Technologies: In The Box: Once your ride-ready Precision Pro powermeter arrives, it just needs to be installed on your bike using the standard Shimano crankset installation process. Connect a head unit or computer, and you can start riding with power! Warranty and Durability: Ridden 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 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. Indoor Training: If the weather or climate makes riding outdoors tough, your 4iiii Precision Pro 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!Manufacturer's Part Numbers: PMD100-S11A02A Black 52/36T 160mm PMD100-S11D02A Black 52/36T 175mm PMD100-S11D01A Black 50/34T 175mm PMD100-S11B01A Black 50/34T 170mm PMD100-S11C02A Black 52/36T 172.5mm PMD100-S11C03A Black 53/39T 172.5mm PMD100-S11C01A Black 50/34T 172.5mm PMD100-S11D03A Black 53/39T 175mm PMD100-S11B03A Black 53/39T 170mm PMD100-S11B02A Black 52/36T 170mm PMD100-S11A03A Black 53/39T 160mm PMD100-S11A01A Black 50/34T 160mmBuy 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.
4iiii XT M8100 PRECISION 3.0 PowermeterThis high-quality powermeter comes factory fitted into a Shimano XT M8100 left-sided crank arm, making it perfect for mountain bike (MTB) riders 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.Precision 3Whether 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 ArmShimano 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 3DNot 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 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 XT M8100 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 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.
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 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.