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.
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 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.
Precision in name and in execution, this superb unit is the most accurate way to keep on top of your riding progress. This left-arm model is compatible with Shimano Ultegra FC-R8000 cranksets and provides instant cadence and power data right to your onboard computer or smartphone via ANT+ and Bluetooth. Weighing just 8g, it delivers output readings to within +/-1% accuracy, allowing for the correct adjustments to be made to keep you riding at peak performance. IPX7 waterproof rated and equipped with 100+ hours of battery life, the Precision is a stunning training aid for the performance-focused rider.
Designed to fit Shimano Ultegra 6800 cranksets, the absoluteBlack Ultegra 6800 Chainring Bolts & Covers provide a smooth, factory look when using aftermarket chainrings. Covering the small step between the chainring and crank arms, the covers help to restore the factory look of the crankset and are constructed from lightweight and durable 7075 T6 aluminium and have a high quality anodised finish. Includes 4 covers and 4 x T30 torx bolts.
Designed to fit Shimano Ultegra R8000 cranksets, the absoluteBlack Ultegra R8000 Chainring Bolts & Covers provide a smooth, factory look when using aftermarket chainrings. Covering the small step between the chainring and crank arms, the covers help to restore the factory look of the crankset and are constructed from lightweight and durable 7075 T6 aluminium and have a high quality anodised finish. Includes 4 covers and 4 x T30 torx bolts.
COMPACT MASSIVE AND SECURE The Ultimate 420 radiates a feeling of security simply through its appearance.There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here. At the same time the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: Hardened 13 mm round bracket The shackle housing and supporting parts of the locking mechanism are made of specially hardened steel Special modern design of the lock body sheathing enables optimum handling High-quality locking cylinder for high protection against manipulation e.g. picking Operation and use: Good protection at medium theft risk Recommended for securing good bicycles The longer the shackle the easier the bicycle can be locked to a fixed object
COMPACT MASSIVE AND SECURE The Ultimate 420 radiates a feeling of security simply through its appearance.There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here. At the same time the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: Hardened 13 mm round bracket The shackle housing and supporting parts of the locking mechanism are made of specially hardened steel Special modern design of the lock body sheathing enables optimum handling High-quality locking cylinder for high protection against manipulation e.g. picking Operation and use: Good protection at medium theft risk Recommended for securing good bicycles The longer the shackle the easier the bicycle can be locked to a fixed object
COMPACT MASSIVE AND SECURE The Ultimate 420 radiates a feeling of security simply through its appearance.There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here. At the same time the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: Hardened 13 mm round bracket The shackle housing and supporting parts of the locking mechanism are made of specially hardened steel Special modern design of the lock body sheathing enables optimum handling High-quality locking cylinder for high protection against manipulation e.g. picking Operation and use: Good protection at medium theft risk Recommended for securing good bicycles The longer the shackle the easier the bicycle can be locked to a fixed object
COMPACT MASSIVE AND SECURE The Ultimate 420 radiates a feeling of security simply through its appearance.There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here. At the same time the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: Hardened 13 mm round bracket The shackle housing and supporting parts of the locking mechanism are made of specially hardened steel Special modern design of the lock body sheathing enables optimum handling High-quality locking cylinder for high protection against manipulation e.g. picking Operation and use: Good protection at medium theft risk Recommended for securing good bicycles The longer the shackle the easier the bicycle can be locked to a fixed object
COMPACT MASSIVE AND SECURE The Ultimate 420 radiates a feeling of security simply through its appearance.There are locks and there is the Ultimate 420. If you are looking for a shackle lock that will deter potential thieves just by looking at it then you don't have to look far. Thirteen millimetres of hardened special steel and aggressive colouring make it immediately clear to any bicycle thief that he has no chance here. At the same time the Ultimate 420 is so compact that you can easily stow it away. It finds its place in every backpack and bag and is therefore always with you when you need to secure your valuable bicycle. Technology: Hardened 13 mm round bracket The shackle housing and supporting parts of the locking mechanism are made of specially hardened steel Special modern design of the lock body sheathing enables optimum handling High-quality locking cylinder for high protection against manipulation e.g. picking Operation and use: Good protection at medium theft risk Recommended for securing good bicycles The longer the shackle the easier the bicycle can be locked to a fixed object
Featuring 13mm of hardened steel, the rounded bracket and bright, aggressive colouring of the shackle, housing and supporting parts of the locking mechanism ensures thieves they have no chance. Also, the Ultimate 420 is compact for easy storage during transit in your backpack or bag, so you have top-level bike-security with you on every ride.