Other

- 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

Origin-8's 1-inch Headset Spacers are made of lightweight and durable aluminum and come in 2mm, 5mm or 10mm thicknesses. You get a bag of 10 spacers.