Shimano Ultegra R8100P Powermeter 12V 170mm - Black

For scientific training you need accurate measurements and ease of use and the new ULTEGRA R8100 powermeter has both.
The measurement on both sides is accurate to 1.5% and zero offset calibration is quick and easy.
Perhaps more importantly, long battery life, ANT+ and Bluetooth®LE connectivity options make recording your workouts easier than ever.

- Integrated, waterproof and rechargeable Li-ion battery
- More than 300 hours (tbd*) driving time * Depends on ANT+/Bluetooth®LE settings
- Accurate data collection
- ±1.5% voltage measurement accuracy across calibration range * Dependent on ANT+/Bluetooth®LE settings
- Patented torque gauge
- Ability to start quickly
- Easy zero offset calibration via switch on transmitter
- Active temperature compensation
- The software automatically adapts to temperature changes

Specifications:
Brand: Shimano
Model: Ultegra R8100P
Crank arm length (mm): 170
Gear combination: without chainring
Color: Black