1Helmet password lock, the lock body adopts zinc alloy material, which is resistant to wear and corrosion. 2Steel wire lock rope design, wrapped in PVC, elastically stretchable and long service life. 3It can be locked firmly with the helmet to prevent loss, antitheft, safe and reliable. 4Password lock, when the password is correct, you can unlock it by pulling it lightly. 5Small in size and easy to carry, it can be placed in a pocket, bike bag or wrapped around a bicycle at will.
