Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm With the Hook Up bead

With the Hook Up bead system

high volume XC tire that rolls fast and has ample tread to provide secure traction in varied conditions

11-speed mechanical shifting

Formulated with Non-Stick Ceramic Technology

Safety orange triangle flag

Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm With the Hook Up beadShimano E Tube wires and connectors Frame grommets for E tube internal wiring compatible frames are sold separately, see Shimano Frame Grommet Kit Electronic Shifter Extra Parts 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