Each set of safety locks is equipped with three keys to prevent loss and can be replaced. Silicone locks are perfect for bicycles, scooters and motorcycles, but they can also be used to secure doors. Safety U-shaped locks can help solve some of the safety problems of leaving bicycles in public places. Just use the lock to fix the bicycle on static objects, such as fences, lamp posts or public bicycles. The bicycle lock comes with a bracket for easy installation and storage, and easy to carry. Types: without cable Colour:black Material:Manganese steel + silica gel Package Contents: 1 x Bicycle lock 3 x key 1 x bracket Only 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.