Origin8 Clampdown QR Seatpost Clamp 31.8 Black AL6061

AL6061-T6 alloy quick-release seatpost clamp. Stainless steel bushing ensures smooth lever action. Adjustment knob allows for on-the-fly fine-tuning. Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts. �28.6mm for �25.4mm seatpost and steel frame. �29.8mm for �27.2mm seatpost and chromoly frame. �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