About this item [5-digit high security]The bicycle lock has a 5-digit combination lock, so there are 100,000 possible combinations that are difficult to decode.< /p> [Wide Application]This password chain lock is ideal for protecting bicycles, motorcycles, scooters, ATVs, strollers, tool carts, boxes, ladders, gates, doors and fences against theft. [Durable]The bicycle lock uses a high-strength alloy lock cylinder and a hard ABS lock head. The bike lock adopts 6mm thick hardened steel chain, bold alloy steel chain is more secure and anti-theft. Polyester anti-UV nylon cover can protect the bike from scratches and extend the life of the lock. [Convenient]Steel chain with a length of 600mm and a weight of 485g. It is long enough to lock your bike or door and easy to carry. [Convenient] The factory setting is 00000. Follow the steps and the combination lock can be easily replaced with the desired password. Note: Take and save photos after you reset your password.