ITEM NAME:Reflective Security Heavy Duty Anti-theft Combination 5 Digit Bicycle Chain Lock Features: The 5-digit combination offers up to 100,000 possible combinations, making it nearly impossible to crack and greatly decreases the chance of theft. Unbreakable alloy steel chain is highly wear-resistant, rust-proof and cut-resistant, keeping your possessions safe. Durable wear-resistant cloth cover, not only can protect the chain, but also will not scratch the car paint reflective design so that you are safer on the ride.On the other hand, It uses reflective Strips, which will make it easier for us to find our bikes in the night and unlock them quickly. Faster and more efficient than keyed locks, our rolling 5-digit locking system lets you secure or unsecure your bicycle quickly to save you time. The original password is 00000, with indexed number dials for error-free combination setting, it's easy to reset password and open with your personal passwo. The long, easy-to-connect lock and chain design can be used to secure bikes, strollers, electric motorcycles, fences and gates, doors, ladders, or tools. No bike mount necessary. Specifications: Material: alloy steel Color: black white Type: reflective Size: (Approx)60x900mm (WxL) Package Included: 1 PC x Bike Lock Tips: 1. When you set the password, please pay attention to whether the inverted digital password is aligned with the protruding point of the logo, and remember your password. 2. After inserting the lock cylinder, please turn the password dial to an arbitrary value to confirm the lock before leaving. Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement..Anyway we will try our best to avoid this kind of thing. making it nearly impossible to crack and greatly decreases the chance of theft. Type: reflective. The long, easy-to-connect lock and chain design can be used to secure bikes, strollers, electric motorcycles.