DURA-ACE - Dual Sided Power Meter- HOLLOWTECH II - Road Cranksеt - 2x11-speed
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 sеts 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
Stаble 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 resеt 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