New SHIMANO Ultegra R8100 52/36T 172.5mm Black Crank 12 speed OEM

  
New SHIMANO Ultegra R8100 52/36T 172.5mm Black Crank 12 speed OEM. The Shimano Ultegra FC-R8100 Hollowtech 2 Crankset ensures maximal power transfer from the pedals to the chain. Hollowtech II technology keeps the weight of the cranks down and the chainring design facilitates the fast and precise shifting of Shimano's 12-speed Di2 groupset.

The FC-R8100 Crankset is offered in a variety of crank arm lengths to suit any rider. Speed: 2 x 12 Speed.

Threaded Bottom Bracket Shell Width: 68/70mm. Optimal balance of stiffness, strength, weight and rotational performance. Hollowglide structure cuts weight yet maintains strength for better power transfer and quicker, more precise front shifting.

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