Seatpost Clamp with Rack Mounts Size:31.8 Holds two standard pours

Holds two standard pours

One end engages the 8 internal splines of the crank arm adjustment cap

The standard of the industry

so every wind lip and feature comes through loud and clear

The Woodchuck is a riders go to liner built to keep a rider comfortable on and off the bike for the widest array of rides

Seatpost Clamp with Rack Mounts Size:31.8 Holds two standard poursElectra Seatpost Clamp with Rack Mounts Features: All Cruiser and Amsterdam rear racks require a seat clamp with rack mounts Replaces your current seatpost clamp 28. 6mm size fits Electra steel frames Not designed for use on Electra Townie models Available in silver and black