Shimano FC-R9100-P 172.5 39T-53T Medidor de potência

DURA-ACE - Dual Sided Powermeter

The 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 conditions

Easy maintenance

•     Integrated rechargeable battery
•     Battery charged for less trouble
•     Easily change chainrings without affecting power

Clearance with frame

•     Enough clearance with our direct mount brake caliper

Accurate data collection

•     ±2% (300W, 90 rpm) accuracy of strain gage measured power in full-range
•     Stable power measurement system at the various stepping positions

Active temperature compensation

•     Own developed strain gauge
•     Software compensate automatically

Battery: rechargeable Li-ion battery
300+ hours of ride time
Quick 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