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Black aluminum stem cap bolt
SID Select
Smooth transition from the wing to the grip aids air flow and giving a better platform for the rider to rest their hand
Self-contained hydraulic caliper incorporates master cylinder
It features a 2-piece design with 4 gear arms for simple maneuverability and control
Shimano EW-SD50 Di2 E-Tube Wire 500mm ModelNumber=4230 Black aluminum stem cap boltShimano EW SD50 Di2 E Tube Wire 500mm. Shimano 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 Shimanos 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 TECH SPECS Length 500
