Material Locking head made of high strength zinc alloy, anti-theft, anti-rust and anti-corrosion. The surface of the bicycle anti-theft cable is made of PVC, prevent scratching, and is much more soft and comfortable. < / p> Easy to carry Net weight: about 100g, padlock length is 18cm, circle diameter is 11cm, soft and comfortable, mini and portable. You can put it in your pocket or hang it in your arm or bike frame. Free Combination If you have more than two Jinginginginginginginginginginging mini padlocks, you can combine them freely to form a larger padlock which is endless and widely used. Secure and resettable 4-digit bicycle lock Resettable 4-digit smart combination padlock - 10,000 code combinations can be selected, the original code is 0000.1. Align the initial password with the position marked by the arrow 2. Turn the lock as shown in the illustration. 3. Turn the drive wheel to set the desired password. 4. Return the lock to the starting position, the password has been set successfully. Multi-purpose Used not only in bicycles / e-bikes, but also in other outdoor or sports equipment (e.g. scooter, gate, etc.) With regular lubrication of the keyhole and keyhole, the service life of the lock can be extended effectively. Technical characteristics of the Jinginginginginginginginginginging mini padlock: Net weight: 100 g. Material: zinc alloy, PVC. Length: 18 cm Diameter of the circle: 11 cm With a 4-digit padlock, there are 10,000 possible combinations. For a thief, it is therefore practically impossible to guess your number. Define your own digital code. 1. The preset code is 0000".