Shimano Powermeter Dura Ace FC-R9100-P

Product detailed description

DURA-ACE - Dual Sided PowermeterThe choice of the world's best climbers, sprinters, and time trialists, the DURA-ACE R9100 crank drops weigh while maximizing power transfer. The new design, and its iconic look, is adapted for race specific disc brake systems while still offering a wide range of gearing and crank arm length options. The addition of a reliable, accurate, waterproof power meter makes this crank an even more valuable tool to serious cyclists. With a rechargeable Li-ion battery, left/right balance, and Bluetooth LE and ANT+ connectivity, the SHIMANO DURA-ACE Power Meter sets a new standard in cycling data collection. Integrated design    Reliable electric system    Waterproof in all conditionsEasy maintenance    Integrated rechargeable battery    Battery charged for less trouble    Easily change chainrings without affecting powerClearance with frame    Enough clearance with our direct mount brake caliperAccurate data collection    ±2% (300W, 90 rpm) accuracy of strain gage measured power in full-range    Stable power measurement system at the various stepping positionsActive temperature compensation    Own developed strain gauge    Software compensate automaticallyBattery: rechargeable Li-ion battery300+ hours of ride timeQuick response and operation without stress    Possible to start quickly    Simple zero reset with switch on transmitter    Direct response    Both left and right side connected with cable    Magnet based cadence    Bluetooth®LE and ANT+    Wireless firmware update system