brand new and high quality Material: Plastic, Aluminum Alloy Color: Black Simple to install and comfortable to use Practical and durable, fashion anti-skid design Suitable for: mountain bike, cycling and so on Length: Approx. 5.12inch/13cm Outer diameter: Approx. 1.26inch/3.2cm Inner diameter: Approx. 0.79-0.85inch/2-2.15cm (Adjustable) Quantity:1 Pair Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
