MOUNTAIN CYCLE 34.9mm QUICK RELEASE SEATPOST CLAMPNew/ Extremely Rare/ Ships in 24hrsDescription: Manufacturer: Mountain CycleClamp diameter: (34.9mm) Color: Anodized BlackMaterial: Aluminum alloy Mass: 11.3 grams Condition: New, not in original packaging. There will be no more of these ever made in the future. We own all that"s left. Own a piece of history!