Upgraded Adjustable Hook: This is an adjustable hook with anti-silp gasket to protect your equipment. Fits almost any round tube with a diameter of 2.1-3.6CM/0.82inch-1.41inch.Easy to install: This knee scooter hook is easy to install. You can mount the metal hook on the round tube at any angle you want.More Useful:The utility double hook can be used for electric scooters, e-bikes, , bicycles, motorcycles, kid's kick scooters, all-terrain knee scooters, etc.Made of high quality and durable aluminum alloy, Anti-dislodging nut, chamfered design and rubber sleeve protection to prevent scratchingSafe Design: Made of high quality and durable aluminum alloy, upgraded chamfered design, and rubber sleeve protection can effectively prevent accidental scratching.Product Name: Scooter HookScope of application: e-bikes, , bicycles, motorcycles, kid's kick scooters, all-terrain knee scooters, etc.Colour:BlueMaterial:Aluminum alloyPackage Contents:1 x HookOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.