WEST BIKING Extended Portable Bicycle Steel Cable Anti-Theft Combination Lock 1. Materials: zinc alloy lock head, polypropylene cover, ABS combination wheel 2. 5-digit combination lock, secure and anti-theft. No keyhole for picking, 10,000 combinations are difficult to try. 3. Zinc alloy lock cylinder, ABS combination wheel, high strength and durability. Flexible rotation and anti-aging combination wheel 4. The lock body is wrapped in a polypropylene cover to prevent scratching of the paint and protect your hands from freezing when locking your bike in winter. 5. 10mm thickened tough steel cable, durable and durable, for increased security against theft. 6. Compact and durable, making it easy to carry around. No bracket required; it can be hung directly on the bike frame. 7. Highly flexible steel cable, flexible and adaptable to various situations. 8. Weight: Approximately 203g 9. Dimensions: Total length approximately 60cm, cable length 45cm, lock head length approximately 12cm, lock cylinder length approximately 5cm, cable thickness approximately 10mm Password setting: 1. Align the initial combination (00000) with the marked dot. 2. While maintaining the original combination, turn the lock cylinder 90 degrees clockwise. 3. Rotate the combination wheel to the desired combination. 4. Turn the lock cylinder 90 degrees counterclockwise, returning it to its original position. The combination is now set.