【High Security Bike Lock】Our bike helmet lock is made of high quality stainless steel and nylon, which is reliable, strong and not easy to rust. 【Unique Cable Clamp Design】Adopted a cable clamp design, this helmet lock can be adjusted freely to meet different anti-theft needs as well as be opened and closed easily. 【3-Digit Password】With the 3-digit code, the bike lock has excellent anti-theft performance. Don't worry about not being able to open the lock because of losing the key. 【Wide Applications】The lock is suitable for bicycles, helmets, luggage boxes and other outdoor uses, it can also be used for cabinets, windows and doors, etc. 【High Strength Cylinder】The lock cylinder is made of zinc alloy, so the bicycle lock provides excellent protection against theft