Thanks to the five-digit combination design, this bike lock is highly secure and prevents your bike from being stolen.There is no doubt that this lock is anti-theft to use for protect your bikes from loss or being stolen. And the thicken and widen built-in steel wires make it be solid and wear-resistant and have high strength, which improves the safety.It is made of good quality nylon, stainless steel, aluminum alloy, ABS material.The length of this product is 54cm. It is suitable for install on bike, bicycle and MTB to anti-theft.Item Name: Bicycle LockMaterial: Nylon, Stainless Steel, Aluminum Alloy, ABS Adjustable, Built-in Steel Wire, One Key To OpenSize Details:Length: 54cm per 21.26(Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Bicycle LockIt is suitable for install on bike, bicycle and MTB to anti-theft.Thanks to the five-digit combination design, this bike lock is highly secure and prevents your bike from being stolen.Featuring a five-digit combination design, this lock offers a high level of security to prevent the theft of your bike.Highly secure thanks to its five-digit combination design, this lock prevents your bike from being stolen.By using a five-digit combination design, this lock provides a high level of security against the theft of your bicycle.