Shimano STEPS DU-E6001 Drive Unit - 250W - Ice Grey Light Sets It's a critical part of HB4460 / B33 C1 Tooth range_10-45T Width:2.35" High density guard

It's a critical part of the XX shifting experience: the fastest front shift ever

Every particular has been designed down to the smallest detail to obtain the maximum effectiveness

Using these 11 speed Ultegra shifters will result in smoother shifting and great braking performance

Chainring Sizes: 40-30-22T

Shimano STEPS DU E6001 Drive Unit 250W Ice Grey Light Sets It's a critical part of HB4460 B33 C1 Tooth range_10 45T Width:2.35" High density guard It's a critical part of the XX shifting experience: the fastest front shift ever Every particular has been designed down to the smallest detail to obtain the maximum effectiveness