Shimano EW-SD50 Di2 E-Tube Wire 650mm CheckoutSpec= Alum Lever Body Rear Axle 12mm Thru x

Rear Axle 12mm Thru x 148mmCassette Body Type Shimano Micro SplineColor GreenSkewer Included NoBearing Type Sealed CartridgeWeight 292Designed for ebike YesDefined Color GreenSpoke Interface J-BendHub Drilling 28Hub/Brake Compatibility 6-Bolt Disc

In combination with the right wheel you can run tubeless tires for cyclo-cross with extremely low air pressures without fear of "Burping" (unwanted air leakage)

Perforated plates for reduced weight

red and white

Shimano EW-SD50 Di2 E-Tube Wire 650mm CheckoutSpec= Alum Lever Body Rear Axle 12mm Thru xShimano 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 650