Lightweight and portable The helmet lock is small in size, light in weight and easy to carry. The innovative spiral telecoil design is easy to store and carry. You can put it in saddle bag, backpack or pocket and bike. The maximum length can be extended to 150cm. Safe and reliable The portable steel cable lock is designed with an alloy core and lock head, an outer PVC casing and an inner cable made of flexible steel. The diameter of the steel cable is approximately 1.9 inches. The items provide more security and better protect your bike. Security protection, better protect your bicycle. Advantages The bicycle lock can be reset, and the 4-digit password lock can be configured up to 9999 password combinations unique personal items, reducing the chance of random theft and protecting your bike and other valuable items from theft. No key is needed, no need to worry about losing the key and not being able to unlock. Various uses Bike locks can be used for multiple purposes , including bicycles, motorcycles, garages, farms, fences, suitcases, tool boxes, carts, shops, glass doors and other security applications. Number of pieces delivered: 1 Color: Black