Shimano SW-RS801-T Shifting Switch - Sprint Shifter Buttons for Extensions GSREDE1 It is compatible with both

It is compatible with both 10 and 11-speed freehubs

lowest rolling resistance and minimum weight

the short-arm Dura-Ace R9200 series caliper brakes employ twin bearings and a roller to realize greater efficiency and deliver superior modulation and stopping power

and head tube for aerodynamic advantage

5g without AirTag - 18

Shimano SW-RS801-T Shifting Switch - Sprint Shifter Buttons for Extensions GSREDE1 It is compatible with bothShimano 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