SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm Orange Seal while outer ­sidewalls of the

while outer ­sidewalls of the tire are reinforced with ­DuraSkin fabric to provide even more reliability

Aluminum barrel and plastic base

Cantilever mounts only (no disc mount)

Weight: 565 Grams

Weight: 105 g / 3

SHIMANO JC130 Y-Split Rooting B Junction - 350/50/45mm Orange Seal while outer ­sidewalls of theShimano 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