Guarnitura Shimano Ultegra FC-R8100-P Powermeter MILANO Advanced channeling ventilation system "ACS":

Advanced channeling ventilation system "ACS": 5 air intakes and 4 exhausts

The waterproof and packable jacket to take on all your outings

The BOA® single-strap fit system is fully adjustable and offers a 360° personalized fit

designed for cobblestone and dirt surfaces

Guarnitura Shimano Ultegra FC-R8100-P Powermeter MILANO Advanced channeling ventilation system "ACS":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