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

Carbon fiber construction with 3mm asymmetric offset

Fits 22-38mm tubes

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Problem Solvers Valve Extenders for Removable Cores

The chrome hardened pin construction provides longer chain life

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