Numeric code: The factory setting is 00000. Follow the instructions to change the desired combination. The 5-digit code offers up to 100,000 possible combinations, which is more secure. And the combination is individually adjustable and can be changed as many times as you wish. Sufficient length: Thanks to its flexibility and length of 90 cm / 100 cm, the lock chain offers high comfort and many possibilities to attach bicycles to fixed objects. The longer the length, the greater the connection to a fixed object. Good security: The bicycle lock uses high-strength zinc alloy lock cores, which are smooth, rust-proof and durable. It thus protects your valuables from theft. Extra protection: Chain lock with a soft fabric cover prevents scratches on your bike, the entire chain plating is rust-proof and waterproof. Versatile: Perfect for securing a bicycle, motorcycle, skateboard, sports equipment, gates, fences, ladders, toolboxes, etc. It can be easily rolled up on the bike frame while in use. Almost impossible to crack. The 5-digit resettable combination lock mechanism allows up to 100,000 possible codes, making the bicycle lock more secure. Features Lock cylinder: zinc alloy Protective cover: Nylon Chain High-quality manganese steel chain Lock material: Zinc alloy and ABS Factory standard code combination: 00000 A Weight: approx. 580 G, Length: 90 cm B Weight: approx. 640 G, Length: 100 cm Delivery 1 x bicycle lock with numbers difficult to open The bicycle lock chain can combine more than 100,000 passwords that cannot be opened easily. No matter where you want to go, you don't have to worry about bike theft. High security The anti-theft chain uses high-quality design, smooth, rust-proof, durable, environmentally friendly and resistant to severe damage. Non-slip design The padlock is covered with an ABS shell that does not crack at low temperatures and does not deform at high temperatures. KEYLESS