Shimano EW-SD300-I Electric Wire Di2 550mm Built-In Routing SW Only Compatible with both SRAM RED

Compatible with both SRAM RED eTap 11-speed and SRAM eTap AXS 12-speed systems

The inners of the controls boast a concentration of technologies and experience

without needing to increase clamping force

With Dyna-Sys 11 Shimano encourages modern mountain bikers to ride anywhere with its advanced gearing concept that helps maintain rider efficiency

Shimano EW-SD300-I Electric Wire Di2 550mm Built-In Routing SW Only Compatible with both SRAM REDShimano Ew Sd300 I Electric Wire DI2 550mm 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