Features: When you need to leave, it is designed to fix the helmet to your bike, and don'for t worry about the helmet or loss. Motorbike helmet lock kit with 2 keys, leaving a for key for backup equipment, avoid forgetting or accidental loss. The motorcycle car puts the helmet lock size, light weight, small size, easy to carry, can be taken at any for time during outdoor use. Easy to install, directly mounted, tighten the screw, easy to use And operation, effectively saving installation for time and energy. Suitable for 20-38mm handlebar tubing. Specifications: Material: aluminum alloy Length: approx 8cm/3-inch Color: black/silver/sea cyan/pink/green/red Note: Please allow 1-3cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Helmet Lock