SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout The chrome hardened pin construction

The chrome hardened pin construction provides longer chain life

With RR-E compound and Race Shield Puncture Protection

Fits 22-38mm tubes

This classic pink Bike Cleaner has incredible cleaning power because it contains Nano Technology that breaks down dirt and grime on microscopic levels

5mm Braided steel cable for increased cut resistance

SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm closeout The chrome hardened pin constructionShimano 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