Multiple Uses - This small helmet lock is universal for all helmets and can be used for motorcycles, bicycles, street bikes, scooters or electric bikes. You can also use this versatile lock for bikes, helmets, jackets, luggage, strollers, suitcases, backpack and other items. Lightweight & Portable - The helmet security lock measures 4.25 x 2.36 inches, and the lock & cable weigh a total of 3.39 ounces. Its lightweight and compact design makes it very convenient to carry around during a bike ride. Self-Coiling Braided Cable - The cable lock has a self-coiling cable is made of high-grade braided steel, so it is well resistant to most cutting attacks. It can be stretched to 8.2ft so that you can lock two helmets at once. 3-Digit Locking Mechanism - This combination lock has a 3 digit locking mechanism with a keyless tumbler design, so you can easily set your own combination patterns (initial password is 000). No more risk of losing your keys. Tough & Strong Construction - This bike helmet lock is made of high quality aluminum and zinc alloy, which is strong enough to provide full security for your helmet from thieves. It acts as a visual deterrent to thieves!.