Item Type: Bicycle Combination Lock_x000D_Material: Steel Cable 1PREVENT THEFT: The bicycle lock does not need a key, it is easy to use, and there is no need to worry about the lock cylinder being opened. 2MECHANICAL STRUCTURE: The bicycle combination lock can withstand quite harsh external environment and has a wide range of use. 3EASY TO OPERATE: The bicycle lock is easy to operate, the unlocking time is relatively short, and the use is convenient and simple. 4HIGH CONFIDENTIALITY: The bicycle's four digit code chain has high security performance, simple structure, strong and reliable performance. 5SCOPE OF APPLICATION: This bicycle lock is suitable for mountain bikes, bicycles, etc. The password cannot be modified, please remember it.