Shimano Ultegra FC-R8100-P Powermeter 12 Speed Crankset Chainring:52/36 Extended 40mm tails add stability

Extended 40mm tails add stability and leverage in the drops for increased confidence when sprinting or descending

comfort or fit begins to deteriorate

we took all of the qualities of the original Pista and introduced a re-engineered

Unique and Innovative Dial System - Security is key

Never Fall Out

Shimano Ultegra FC-R8100-P Powermeter 12 Speed Crankset Chainring:52/36 Extended 40mm tails add stabilityOffering all the precision and functionality of the Dura Ace power meter, the Shimano Ultegra FC R8100 P Powermeter Crankset comes in a more affordable package. Its dual sided measurement is accurate within 2. 0% and zero offset calibration is a quick, easy process. Long battery life, easy recharging and ANT+ and Bluetooth LE connectivity make using and recording your workouts easier than ever. Specifications Integrated, waterproof, rechargeable Li