SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout With RR-E compound and Race

With RR-E compound and Race Shield Puncture Protection

Fits 22-38mm tubes

flexible pads giving you total comfort during any ride

5mm Braided steel cable for increased cut resistance

The chrome hardened pin construction provides longer chain life

SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout With RR-E compound and RaceShimano 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