1Portable and lightweight yet strong and secure, ensuring that your bike or motorcycle helmet not being stolen, can also be used to hold jackets, immobilize bicycle brake disc and lock the bicycle saddle in place. 2Smart 4?digit resettable coiling lock, can set up 1,0000 different combination code, the default password is 0000. With keyless convenience lock, you do not worry about lost the key and forget to carry it. 3Flexible steel cables for strong cut resistance and Pvc coating helps prevent scratches and keep more durable; alloy lock cylinder provides better anti?theft protection, no need to worry about damage your bike or your helmets. 4So light weight and compact that can be put in a pocket or small bag. The cable is self?curling, easy to use and store, connect a single helmet or double helmet to a motorcycle bike. 5Ideal for bicycles, skateboards, gates and fences, grills and lawn mowers, sporting goods, tool boxes and ladders. The combination lock can also be used to secure anything from bags, suitcases and luggage to strollers. 6Simply strap around your gear and secure it to your bike. Fast, and easy to secure. Compatible with any motorcycle, motorbike, scooter, moped, bicycle or even stroller. Lined with weather?resistant Pvc. Waterproof and rust resistant.