4iiii Dura-Ace FC-R9100 Left Arm Power Meter

4iiii Dura-Ace FC-R9100 Left Arm Power Meter

Take 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 Meter

Designed 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-R9100
• Wireless Connectivity: ANT+, Bluetooth
• Dimensions: 37.7x27.6x7.5mm
• Power Range: 0-4000w
• Cadence Range: 30-150rpm
• Waterproof Rating: IPX7, IPX5
• Battery: CR2032 Lithium-Ion coin cell, 100+ hours
• Weight: 8g

Buy 4iiii Components from Chain Reaction Cycles, the World's Largest Online Bike Store.