Product Description
The choice of the world's top climbers, sprinters and time trialists, dura-ace r9100 crankarms weigh in while maximizing power transfer. the new design and iconic look are adapted to race-specific disc brake systems while offering a wide range of gear and crank length options. the addition of a reliable, accurate waterproof power sensor makes this crank an even more valuable tool for experienced cyclists. With a rechargeable li-ion battery, left/right balance and bluetooth le and ant + connectivity, the shimano dura-ace power sensor sets a new standard in cycling data collection.
- Integrated design
- Reliable electrical system
- Waterproof in all conditions
- Easy to maintain
- Built-in rechargeable battery
- Battery charged for less hassle
- Easy chainring changes without compromising power
- Frame clearance
- Sufficient clearance with our direct-mount brake caliper
- Precise data collection
- Accuracy of ± 2% (300 W, 90 rpm) of power measured by strain gage over full range
- Stable power measurement system in different support positions
- Active temperature compensation
- Strain gauge developed by Shimano
- Automatic software compensation
- Battery: rechargeable lithium-ion battery
- Over 300 hours of autonomy
- Fast, stress-free response and operation
- Quick-start capability
- Easy reset via contactor on transmitter
- Direct response
- Left and right sides connected by cable
- Magnetic cadence
- Bluetooth®LE and ANT+
- Wireless firmware update system
Crank length (mm): 175.0
Chain guard: -
Color: Color series
Gear combination: Without chainring
Countries concerned: 3rd Group
Packaging: Individually wrapped
