Shimano EW-SD300-I Electric Wire Di2 1000mm Built-In Routing Bikebox Simply hanging your helmet on

Simply hanging your helmet on the handlebar without securing it or leaving your backpack unattended shouldn’t even be considered

9- and 10-millimetre wrenches

Watt savings from reduced rolling resistance

Tri-BackUp TireBag provides protection from harmful ultra violet rays that can quickly degrade a tubular tire

ah sorry – riders that slog it out all day into those nasty headwinds

Shimano EW-SD300-I Electric Wire Di2 1000mm Built-In Routing Bikebox Simply hanging your helmet onShimano Ew Sd300 I Electric Wire DI2 1000mm 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