Description: It adopts T6 aluminum alloy and has high wind pressure resistance, corrosion resistance, wear resistance and oxidation resistance Screws made of high quality 304 stainless steel Double-sided screw hole for more accessory installation Universal fit for most Motorcycle Inner diameter of 32mm, generally used for faucet handle installation bumper installation Specification: Condition: 100% brand new Color: Black Material: Aluminum Alloy Inner Diameter: 17-32mm/17-42mm/17-54mm Product Size: As picture shown