Specification Brand : Niiyen BulletPoint : Yuri-FBM-33-Bike U Lock BulletPoint1 : Material:U Lock is made of high-impact Zinc alloy and rubber material , with strong and not easy to wear,high strength and high hardness. Even if it is often in usage, it will not damage easily, and it is strong. Long service life, no need for frequent replacement, please rest assured to use BulletPoint2 : How to Change Password:Our U-shaped locks have a combination adjuster at the bottom. The design is simple and easy to operate, first dial the code switch from A to B, then set the new password you need, after setting, dial back to the original position, the installation is fast and simple BulletPoint3 : Simple Appearance:The appearance is black, the lock cylinder part and the lock body are made of special environmental protection material zinc alloy one by one galvanized, the outer layer of the lock cylinder is made of PC material, = anti-scratch, more beautiful and more comfortable to use BulletPoint4 : Unlock Way:This U-lock is suitable for use on bikes , motorcycles or electric bikes . It is unlocked with a password, no key is required, and you can leave the bike without a key. 4-digit password, there are 10,000 password combinations, high anti-theft performance BulletPoint5 : Widely Application:This U-lock for bikes outside can be applied to all types of bikes , and can be widely used in bikes , office doors, warehouses, gates, fences and store doors. With our bikes U-lock, you can get maximum security Color : Black ControllerType : Jog dial ControlMethod : application IncludedComponents : Lock ItemDisplayDimensions_Height : 0.98 inches ItemDisplayDimensions_Length : 5.75 inches ItemDisplayDimensions_Width : 4.72 inches ItemDisplayWeight : 0.3 pounds ItemName : Niiyen U Lock Bike Combination U Lock Bike U Lock 4 Digit Combination U Lock Heavy Duty Combination U Lock for Bike Motorcycle Electric Scooter ItemPackageDimensions_Height : 2 centimeters ItemPackageDimensions_Length : 35 centimeters ItemPackageDimensions_Width : 12 centimeters ItemShape : U Shape ItemTypeKeyword : bike-u-locks LockType : Combination Lock Manufacturer : Niiyen Material : Zinc ModelName : Niiyenr8u6qf1ocn ModelNumber : Niiyenr8u6qf1ocn PartNumber : Niiyenr8u6qf1ocn ProductDescription : Item Type: U Lock Material: Zinc alloy + rubber Purpose: Security lock