Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm Interchangeable Lens System

Interchangeable Lens System

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

Intended to be used with the Box Four 8sp drivetrain only - may not be compatible with other 8sp components

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

Shimano EW-SD 50 Electric Wire, Black - OUT OF BOX Length:200mm Interchangeable Lens SystemShimano 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