Guarnitura Shimano Ultegra FC-R8100-P Powermeter Crankset:165mm - 52-36 With PolyX Breaker®

With PolyX Breaker®

the 37mm rim profile is not only lighter than shallower wheels but also faster than deep-profile wheels

Take every corner with confidence

is characterized by reliability and long life even under heavy loads

delivering unparalleled optical clarity to motocross

Guarnitura Shimano Ultegra FC-R8100-P Powermeter Crankset:165mm - 52-36 With PolyX Breaker®Scientific training requires accurate measurements and ease of use, features offered by the new ULTEGRA R8100 power meter. The dual sided measurement has a maximum deviation of 2. 0%, and zero calibration is a quick and easy procedure. Perhaps even more important is the long battery life, easy recharging, and ANT+ and BluetoothLE connectivity that make using and recording workouts easier than ever. Features Integrated, waterproof, rechargeable lithium