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

The Super SLR technology is based on a smoother function of caliper

WARNING #1: immediately clean Carogna Remover if any excess goes on rim decals

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

Tire Compatibility: Clincher Tubeless Ready

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