Shimano EW-SD300-I Electric Wire Di2 500mm Built-in Routing Attaquer Wider and gently raised edges

Wider and gently raised edges on the tops support a better aero position on the hoods

extremely resistant to shocks and fully waterproof

the cross-section of the bar top has been developed in CFD and proven in the wind tunnel to reduce drag

and cable coupler takes up less space and keeps all the wax drips back in the pot to prevent wasted wax

Speed (FD): 2x12

Shimano EW-SD300-I Electric Wire Di2 500mm Built-in Routing Attaquer Wider and gently raised edgesShimano Ew Sd300 I Electric Wire DI2 500mm Built in Routing Features More compact design makes new electric components smaller and lighter Will potentially expand the future capabilities of DI2 systems For internal routing usage Mfr Claimed Weight TBC