Shimano EW-SD300-I Electric Wire Di2 650mm Built-In Routing giant the CADEX cage offers maximum

the CADEX cage offers maximum hold and durability with minimum weight

Includes integrated computer mount system and accessory mounts

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

Hardware Kit

Shimano EW-SD300-I Electric Wire Di2 650mm Built-In Routing giant the CADEX cage offers maximumShimano 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