Slim and lightweight alloy clamp for bikes which don't feature an integrated seat clamp. Dare we say it, the only oil slick seat clamp in the world??? Size25.4mm ColourPolished / Black / Blue / Gold / Oil Slick / Red Weight18g (0.63oz : 0.04lbs) Features   Forged 6061-T6 alloy, CNC finish Or 25.4mm seat post frames Simple slim one bolt seat clamp