Shimano EW-SD300-I Electric Wire Di2 650mm Built-In Routing giant Includes integrated computer mount system

Includes integrated computer mount system and accessory mounts

5-litre waterproof saddle pack is made from textured nylon

puncture protection is high and the rolling resistance is low offering protection from premature wear brought about by the additional driving force

and clean cable routing make this shifter a delight to use

Tools - CO2 inflator

Shimano EW-SD300-I Electric Wire Di2 650mm Built-In Routing giant Includes integrated computer mount systemShimano Ew Sd300 I Electric Wire DI2 650mm 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