Shimano EW-SD50 Di2 E-Tube Wire 750mm MFPN=160-0119000010 By pairing a customized linear

By pairing a customized linear rate high tension spring and a dual stage activation mechanism we’ve developed a system that can provide substantial chain security when you need it and can be turned off when you don’t

Chain Connection Type Single Use Color Silver Defined Color Silver Drivetrain Speeds 12 Half Link Chain No Links (links) 120

Cassette Body Type SRAM XDR Defined Color Gray Hub/Brake Compatibility 6-Bolt Disc ISO Diameter 622 / road / 29" Rear Axle 12mm Thru x 148mm Tire Type Tubeless Ready Valve Presta Wheel Size 29"

Drirelease® threads wick moisture and dry four times faster than cotton

Shimano EW-SD50 Di2 E-Tube Wire 750mm MFPN=160-0119000010 By pairing a customized linearShimano 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 750