Numeric Code: The Factory Setting Is 00000. Follow The Instructions to Change The Required ination. The 5-Digit Code offers Up to 100,000 Possible inations, Which Is More Secure. And The ination Is Individually Adjustable And Can Be Changed As Many Times As You Want.Length Enough: Thanks to Its Flexibility And Length of 90Cm/100Cm, The Locking Chain offers A High Degree of Comfort And Many Possibilities for Connecting Bicycles to Fixed Objects. The Longer The Length, The Easier The Connection to A Solid Object.Good Security: The Bicycle Lock Uses High-Strength Zinc Alloy Lock Cores, Which Is Smooth And Rust-Proof And Durable. It Thus Protects Your Valuables from Theft.Extra Protection: Chain Lock with Soft Fabric Sleeve Prevents Scratching Your , Full Chain Plating Is Rustproof And Waterproof.Versatile: Perfect for Securing Bicycles, Motorcycles, Skateboards, Sports Equipment, Gates, Fences, Ladders, Tool Boxes, Etc. It Can Easily Wrap Around The Frame While In Use.