Product description Material: aluminum alloy, PVCSize: 12mm diameter, 300mm lengthQuantity: 1 piece1 Material: high-strength aluminum alloy lock head, anti-theft, rust-proof and anti-corrosion, solid and solid. Seven nuclear protection, increase safety factor. The lock body is made of PVC sheath, which is comfortable and soft, prevents the frame from being scratched, and extends the service life. 2. Keyless locking: no key is needed, just press it gently, and the bike will be locked, convenient and fast. The outer layer of the key is wrapped with ABS plastic, which is strong and durable. The circular groove design is difficult to copy and increases safety. Each key has its own number. The probability of being unlocked by other keys of the same type is lower, and it is more secure against theft. Locking options for multiple bicycles The bicycle lock provides different types of locking with all functions. You can lock the rear fork or lock the rear wheel. In addition, it can also be used as a disc brake lock. You can use two or more locks to extend the bicycle lock and lock multiple bicycles together. 4. Portable. Convenient to carry. The length of each lock is 300mm, and the diameter is 12mm. It is soft and convenient. It is small and portable. You can put it in your pocket or hang it on your arm or bicycle frame. It can also be hung under the bicycle saddle. 5. It is widely used for bicycle locks, mountain bikes, racing cars, city bikes, and mountain bikes. It is very suitable for your cycling trip. Provide various bicycle bags and locks to meet your riding needs Color: black, blue, orange(optional) Package content: 1 * bicycle ring lockNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding 2. The color may vary depending on the display. Please understand Note: Hello, please pay attention to your shipping address when purchasing products. If your receiving information (such as name, street, house number, doorbell/email without name) is incorrect, the order will not be delivered correctly.)