Shimano EW-SD50 Electric Wire Di2 250mm R0 This design also allows for

This design also allows for a flatter plate

Back 825 g

the seat tube is a carbon ISP

The material of the frames is Tr90

The pre-installed chain guard keeps your legs and pants clean

Shimano EW-SD50 Electric Wire Di2 250mm R0 This design also allows forShimano Di2 e tube Wires Specifications Ultegra Di2 wires utilize Shimano's e tube technology; e tube is a two prong system and is NOT cross compatible with Dura Ace 7970 Di2 wiring All e tube wires may be used for internal or external applications Frame grommets for E tube internal wiring compatible frames are sold separately, see Shimano Frame Grommet Kit Electronic Shifter Extra Parts Mfr Claimed Weight TBC