Foneso Security Bike Cable Lock: 1. Protecting your bicycle, ATV or other valuables against theft. 2. The protective coating helps prevent scratching and the flexible braided steel cable for strong cut resistance. 3. The 5-digit combination allows 10,000 possibilities. Making this lock nearly. impossible to crack. Set your own combination in the strong and complicated mechanism. Specifications: 1. Diameter: 1/2 inch(12 mm) with vinyl shell, length 4 feet(1200 mm) 2. Color: Black 3. Weight: 0.45kg Reset Password: This lock is preset to operate at 0000. To set your own combination, follow the steps below: 1. Dial the combination wheels to 0000 and withdraw the cable. 2. Turn the knob 90 degrees clockwise to the designated position. 3. Reset the combination wheels to the desired combination, making sure the numbers are lined up with the pointer. 4. Have selecting your combination numbers,turn the knob back to the original position in a counterclockwise direction. 5. The new combination is now set. Turn back to the original position and use the new password to open lock 6. Repeat the 1-5 steps above to reset the combination anytime you like. Attention: * Once forget the password, you can’t open lock forever. So please remember the password if you have reset a new password.Guaranteed service: 12-month quality insurance guaranteed from AresparkDirect, any problem, feel free to contact us and get a satisfying solution.