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, MTB, 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 scratching Safe Design: Made of high quality and durable aluminum alloy, upgraded chamfered design, and rubber sleeve protection can effectively prevent accidental scratching.<br><br>Product Name: Scooter Hook Scope of application: e-bikes, MTB, bicycles, motorcycles, kid's kick scooters, all-terrain knee scooters, etc. Colour:Titanium Material:Aluminum alloy<br><br>Package Contents: 1 x Hook