Black surface treatment Tempered steel chain lock with soft nylon coating 5-digit code lock Protect the bike from thieves . When you need to repair the bike, whether at home, at work or on the road, this lock is very practical and safe. Use cables to easily attach the bike to yourself (frame-wheel), another bike or a fixed object to improve safety. When not in use, the flexible cable can be neatly rolled up on the bike frame for convenient storage. The cable can also be used to connect headphones, backpacks, suitcases, etc. 5-digit combination, length 58 cm. The cable has an easy-to-use 5-digit code lock, so you don't have to worry about losing your key. To open it, simply rotate the number to display the correct combination. If necessary, you can reset the combination This bicycle cable lock is made of cut-resistant hardened steel that is both strong and durable. Its soft nylon coating makes it more resistant and protects the bike's paint from scratches.