Shimano SW-RS801 Switch Shifter Di2 12 Speed TT 740mm Cable Softgoods Thanks to disc brakes

Thanks to disc brakes

Enhanced chain retention with extended inner plate design

riding style

CADEX Ratchet Wave Spring ensures the outer and inner ratchet rings engage with consistent and even force for smoother action and better rolling efficiency

1-1/8" Specific

Shimano SW-RS801 Switch Shifter Di2 12 Speed TT 740mm Cable Softgoods Thanks to disc brakesShimano has been working for years to provide you with an advantage of seconds. The new 12 speed DURA ACE R9200 is the fastest groupset ever and the pinnacle of SHIMANO technology and innovation. Speed was the key driver for the development of this new generation road groupset. That's why every component has been revised, refined and optimised to make you even faster whether to leave the peloton behind you or to win the final sprint on the Champs