Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm high volume XC tire that

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

11-speed mechanical shifting

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

The biceps silicone grippers hold these warmers in place yet they're easily removed and stashed in a pocket or pack when things warm up

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

Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm high volume XC tire thatShimano 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