Specifications: Material: Aluminum Alloy, Durable, Anti-Smashing, Anti-Prying, Anti-Rust Lock Body: Weighted Lock Body, Thick Lock Hook, High Tensile Strength Easy to Use Installed Directly on the Handlebar Size: 72 x 48mm Color Availability: Black Can be used for 22mm - 28mm Handlebars Password: 3 Digits Package Includes: One Combination Lock One Hex Wrench for Installation One Spacer Password Settings: Set the password to 000 (initial password), open the lock beam and rotate 180° Press and hold down the lock beam (do not let go when modifying) Turn the password dial to change the password After the modification is completed, pull out the lock beam and return it to its original position (please remember the new password, do not forget) Installation: 1. Attach the spacer to the handlebar 2. Fit the gasket and lock body to the handlebar 3. Take a few screws 4. Install the lock body 5. Tighten the fixing screws 6. After the installation is complete, it can be used