Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm so no more trying to

so no more trying to touch your phone "just right" to get that trailside picture

A light and fast tire allows fun while also tackling burlier descents and gnarlier terrain

9-speed wide range cassette

Formulated with Non-Stick Ceramic Technology

Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm so no more trying toShimano 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