Shimano EW-SD300-I Di2 Electric Wire 350mm Built-In Routing BIKESPORTZ Optimized heat dissipation

Optimized heat dissipation

This is a combination of the UT-BB140 tool and the UT-BB141 adapter to be able to mount Campagnolo Ultra-Torque and Over-Torque bearing shells

Mfr  Claimed Weight

Once the old mastic is covered with Remover

specifically designed head tube and our own Ti headset enabling cables to travel internally through the handlebar

Shimano EW-SD300-I Di2 Electric Wire 350mm Built-In Routing BIKESPORTZ Optimized heat dissipationShimano Ew Sd300 I Electric Wire DI2 350mm 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