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

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Shift features on each cog are optimized for electronic shifting so you’ll get fast smooth and precise shifts every time

Front- and rear-specific carbon layups offer both a comfortable ride and the durability enduro racing demands while keeping weight low to conserve energy on those long days in the saddle

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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