Features15 Digit Combination: This bike chain lock features a five digit password setting, offering 100,000 possible combinations for maximum security, guaranteeing the safety of your ride. 2Durable Steel Material: The lock is constructed from select steel material, robust and highly secure, significantly enhances your bike's theft protection, offering you peace of mind. 3Refined Craftsmanship: Possessing a smooth and qualitative surface, the lock exhibits refined craftsmanship. The imprinted numbers are distinctly clear, resistant to scratch and wear, promising prolonged durability for long lasting use. 4Long Flexible Chain: Designed with a long flexible chain, the lock conveniently wraps around your bike, enabling easy on the go security. This feature also ensures the lock's versatility on various types of bikes. 5Wide Application: This lock guarantees security for a variety of vehicular items such as bikes, electric scooters, motorcycles, as well as sliding glass doors, making it a versatile and valuable security tool.SpecificationItem Type: Bike Chain LockMaterial: SteelWeight: Approx. 642g/22.6ozChain Thickness: Approx. 6mm/0.24inChain Length: Approx. 900mm/35.43inPassword Modification:1.Password setting area, there are protruding marking points on both sides, the original password ("00000") will be aligned with the marking.2.While keeping the original password unchanged, rotate the wheel to the right.3.Pull the password dial and set your desired password while aligning with the protruding arrow, remember the password.4.After setting the password, rotate the wheel back to the original position on the leftPackage List1 xBike Chain Lock