Shimano EW-SD50 Di2 E-Tube Wire 1000mm Product Type_Road & Track Chainrings Air vent allows for tight

Air vent allows for tight compression of the dry bag

Thick carbon backplate for improved stiffness weight and durability

Painted inner outer link and clamp

Narrow clamping jaws (2

Shimano EW-SD50 Di2 E-Tube Wire 1000mm Product Type_Road & Track Chainrings Air vent allows for tightShimano E Tube wires and connectorsFrame 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 Length 1000