Origin8 Clampdown UL Seatpost Clamp 31.8 Black AL6061

AL6061-T6 alloy seatpost clamp with CNC machined cut-outs. Rounded edges and floating bolt/ovalized hole design protects carbon frames and seatposts. 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