Our headset spacers are made from aluminum alloy material, which makes them lightweight and perfect for enhancing your cycling experience. With their lightweight design, these spacers can help to improve your cycling efficiency and make your rides more enjoyable. Features -Color:Assorted Color -Material:Aluminum alloy -Size:3.40X3.40X1.00cm/1.34X1.34X0.39in -Made from aluminum alloy material, which makes them lightweight and perfect for enhancing your cycling experience. -The lightweight design of these spacers can help to improve your cycling efficiency. -These headset spacers are compatible with both mountain and road bikes, making them a versatile accessory for any cyclist. -The aluminum alloy material used in these spacers is durable and resistant to wear and tear. -With their sturdy construction, these spacers are a reliable and practical accessory for any cyclist. Package list: 6 x Spacers 1 x Screw 1 x Hanging Core 1 x Cap