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 tailored 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 maintenance
- Built-in rechargeable battery
- Battery charged for fewer worries
- Easy-to-change chainrings without compromising power
- Playing with the frame
- Sufficient clearance with our direct-mount brake caliper
- Precise data collection
- Accuracy of ± 2% (300 W, 90 rpm) of the power measured by the strain gage over the entire range
- Stable power measurement system in different support positions
- Active temperature compensation
- Strain gages developed by Shimano
- Automatic software compensation
- Battery: rechargeable lithium-ion battery
- Over 300 hours of autonomy
- Quick response and stress-free operation
- Fast start-up possible
- 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: -
Colour: Colour series
Gear combination: Without chainring
Countries concerned: 3rd Group
Packaging: Individually packed
