Inpeak Shimano 105 FC-R7100 Power Meter Crank Arm

This Inpeak power meter crank arm for Shimano 105 FC-R7100 tells you how many watts you produce, measuring from the left crank arm. It is for riders who train with data and have a 12-speed drivetrain, mechanical or Di2.

• Measures power from 20 to 2000 W, with a stated accuracy of ±2%
• Rechargeable battery with up to 90 hours of runtime, with a 2 m magnetic USB cable
• Connects via ANT+ PWR and Bluetooth Low Energy
• Weighs just 10 g more than the original crank arm
• IP67 protection. Available length: 170 mm, for Shimano 105 FC-R7100 with 12 speeds

Technical specifications

• Crank arm length: 170 mm
• Weight: Original crank arm + 10 g
• Measurement accuracy: ±2% (stated)
• Battery: Rechargeable LiPo, up to 90 hours
• Battery capacity: 110 mAh Li-Po
• Connectivity: ANT+ PWR and Bluetooth Low Energy
• Compatibility: Shimano 105 FC-R7100, 12-speed, mechanical or Di2 drivetrains
• Protection: IP67
• Power range: 20-2000 W
• Cadence range: 20-200 rpm