SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout Carbon fiber construction with 3mm

Carbon fiber construction with 3mm asymmetric offset

mountain and electric bikes

The chrome hardened pin construction provides longer chain life

Problem Solvers Valve Extenders for Removable Cores

SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout Carbon fiber construction with 3mmShimano E Tube wires and connectors Frame 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