Bike U Lock Heavy Duty Anti Theft, 4 Digit Combination Password Bicycle Lock with U-Lock Shackle, U Bolt Bike Lock for E-Bike, Mountain Bike, Road Bike

【 Unlock Way】This U-lock is suitable for use on bicycles, motorcycles or electric bicycle. It is unlocked with a password, no key is required, and you can leave the bike without a key., 【Strong and Safe 】The whole lock body is formed of special environmental protection material zinc alloy, which can prevent hydraulic shearing and sawing, is strong and wear-resistant, and has a long service life, 【Simple Appearance 】The appearance is black, the lock cylinder part and the lock body are made of special environmental protection material zinc alloy one by one "galvanized", 【How to Change Password 】Our U-shaped locks have a combination adjuster at the bottom. The design is simple and easy to operate, first dial the code switch from A to B, then set the new password you need, after setting, 【Widely Application】This U-lock for bikes outside can be applied to all types of bicycles, and can be widely used in bicycles, office doors, warehouses, gates