Shimano EW-SD300-I Electric Wire Di2 500mm Built-in Routing Attaquer extremely resistant to shocks and

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

2 polymer tire levers

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

heavier riders or frequent riding on rough chip seal and wet roads

Shimano EW-SD300-I Electric Wire Di2 500mm Built-in Routing Attaquer extremely resistant to shocks andShimano 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