Multi-purpose:This bicycle lock is equipped with a lock frame, which is suitable for bicycle tubes or seatposts with a diameter of about 2.5-3.18 cm.You can apply this cable lock to bicycles, gates, fences, etc. to improve the safety and security of your property.Name: Bicycle lockColor: blue, blackMaterial: Copper alloy steel lock core, high-strength steel wire, PVC matteSize: 150 cmDiameter: 12 cmApproximate weight: 500 gramsFeatures: Security anti-theft lock core, high-strength thick steel cable, large locking spacePassword modification steps:1. Align the digital sign, set the password, and align the original password with highlighted points on both sides (original: 00000)2. Rotate the lock cylinder, Turn the lock cylinder 90° without moving the original code3. Turn back to the car lock cylinder, set the new code and turn the lock cylinder in the opposite direction4. The password is set successfully