http://tinyurl.com/pdzw7rc
Projekt Fixie - Fixed-Gear Seat Single-speed Road Bicycle Seatpost
Projekt - Seat Post with Anodized Finish
Two Sizes: 27.2/25.4mm x 300mm
Material: Alloy
Road, BMX, Mountain, Fixed Gears, Fixies, Track, Singlespeed Bikes
Compatible with other Projekt Fixie components