4iiii Precision GEN 3 Left Side Power Meter for Shimano Dura-Ace R9100 175mm

The 4iii Precision GEN 3 Power Meter is an impressive, accurate and lightweight power meter that comes pre-installed on a Dura-Ace R9100 Left Hand Crank Arm. Thanks to 4iiii's patented Precision 3D Strain Gauge technology, three aspects of your pedal stroke are measured to provide you with the accurate data you've been dreaming of! Designed and tested in Canada's harsh Rockies and proven on the Strade Bianche and the America's Cup Cross Country Mountain Bike Competition, the latest version has been tested and exceeds IPX7 Waterproof rating, so you can ride a care in world.

The 4iiii Precision GEN 3 Power Meter has been designed to be lightweight yet durable, only adding a minuscule 9g to the weight of the crank arm it's installed on. With both ANT+ and Bluetooth support, it can be paired to any modern smart head unit to provide you with the data you want when training or racing. While pairing with your favourite third party training app is equally as easy as 1, 2, 3! With the 4iii Precision GEN 3 Power Meter, don't settle for second best, train utilising your power so you can unleash it during the big moments!

Features

• 3D Strain Gauge Technology: Measures the tri-axial strain on your crank arm to consistently produce accurate data
• Compact Design: Durable and lightweight
• Compatible: ANT+ and Bluetooth mean you can connect to smartphones and smart head units
• Simple: Easy setup, use and maintenance
• Wireless: Upgrade without plugging into anything

Specifications

• Model: Ride Ready Shimano Dura-Ace R9100 LH Crank with 4iii Precision GEN 3 Power Meter
• Accuracy: +/- 1%
• Water Resistance: IPX7
• Pairing Protocol: ANT+, Bluetooth
• Cadence Range: 30 - 170RPM
• Power Range: 0 - 4000W
• Dimensions (Power Meter): 63.79 x 26.42 x 5.5mm
• Temperature Range:
  • Operating: 0 - 50°C
  • Storage: -40 - 60°C
• Battery: Replaceable CR2032, offering up to 800 hours of use
• Battery Status: Indicated upon reaching 15% battery life
• Weight: 9g

Compatibility

• Third Party Training Apps: Zwift, TrainerRoad, SYSTM, etc.
• Bicycle Computers: Garmin, Wahoo, etc.
• Fits all bottom brackets with Shimano Hollowtech II interface
• To confirm the crank is compatible with your frame, please use the fit test found here