Offering the precision and functionality needed for scientific training, the Shimano Ultegra FC-R8100 Power Meter Crank Arm Set provides dual-sided measurement that is accurate within 1.5%. Its long battery life, easy recharge, and ANT+ and Bluetooth LE connectivity makes using and recording your workouts easier than ever.
- Integrated, waterproof, and rechargeable Li-ion battery
- Up to 300+ hours of ride time (depending on ANT+/Bluetooth® LE settings)
- Accurate data collection
- ±1.5% strain gage accuracy throughout the entire calibration range (depending on ANT+/Bluetooth® LE settings)
- Proprietary strain gauge
- Quick and easy start-up process
-
Number of Chainrings: Double
-
Color: Black
-
Pedal Spindle: 9/16"
-
Crank Length (mm): 170
-
Crank Intended Use: Road
-
Chainline/Hub Compatibility: 130 Hubs
-
Rings: 50/34
-
Spindle Interface Type: Shimano Hollowtech II
-
Drivetrain Speeds: 12
-
Defined Color: Black
-
Chainring BCD: 110 Shimano Asymmetric
-
BB Included: No
