rim brakes are the tried-and-true option. The Dura-Ace Di2 ST-R9250 Shift/Brake Levers provide Shimano's 12-speed electronic shifting to riders who want to stick with the simplicity and low weight of mechanical brakes. ...

cover kit for external frame mounting of Di2 wire systems. If you don't have a frame with internal wiring setup for Di2, then you go with plan-B, external wiring. Of course protecting ...

rim brakes are the tried-and-true option. The Ultegra Di2 ST-R8150 Shift/Brake Levers provide Shimano's 12-speed electronic shifting to riders who want to stick with the simplicity and low weight of mechanical brakes. ...

Box for connecting the two derailleurs, battery, and cockpit controls in a Shimano Di2 electronic shifting system. This junction works with all Di2 with e-tube wired system components as long as firmware ...

a factory replacement part for bar end shifters. This part works with the shift lever's fixing bolt to tighten against the inside walls of an aerobar extension or the end of a ...