Origin8 GritGuard Seatpost Clamp 31.8 Black AL6061

Seatpost clamp with integrated cover prevents dirt and mud from entering the frame at the seatpost junction. Rounded edges and ovalized hole design protects carbon frames and seatposts. AL6061-T6 alloy clamp with NBR cover. �31.8mm for �27.2mm seatpost and aluminum frame. �34.9mm for �30.9mm seatpost and aluminum frame or �31.6mm seatpost and carbon frame. 16mm height