E-Tube Wires and Connectors Options:EW-SD50 Di2 E-Tube Wire, 700mm A high-performance floor pump that

A high-performance floor pump that makes no compromise in design

The new Trail Thermal Jersey utilizes Polartec® Power Grid™ fabric to keep you warm and comfy

This insert was designed to provide plenty of support to the body without being so substantial that it feels like it's getting in the way

Alloy platform body with hollow steel spindle

E-Tube Wires and Connectors Options:EW-SD50 Di2 E-Tube Wire, 700mm A high-performance floor pump thatShimano 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