The 5-Digit Password Lock Can Be Reset. The Factory Setting Is 00000. It Can Easily Be Changed to The Desired Combination. . Durable Bike Lock: Chain Lock Uses High-Strength Zinc Government Lock Cores, Which Is Smooth And Rust-Proof, Durable And Resistant to Violent Damage. The Use of Polyester Protective Cover Can Not Only Protect The Chain Effectively, So That The Chain Is Not Easy to Rust, But Also Better Protect The Bicycle. . Practical Bike Lock: No Key Is Required for The Digital Lock. You No Longer Have to Be Afraid of Losing Your Bike Key. . The Length of The Bike Lock Is 90Cm/100Cm. Sufficient Length Is Ideal for Protecting Bicycles, Scooters, Doors Or Other Items From Theft. . 100% Satisfaction Guarantee Provides 1 Year Free Warranty And 24 Hour Customer Service On The Bike Lock. If You Have Any Problem With Product, Please Contact By Email. .