Resettable and convenient: use a combination lock instead of the key, dont worry about losing/remember to carry the key to unlock it. Easy to use and easy to set a password. Compact and lightweight: small in size, it can be put in the pocket of a cycling suit or travel bag, and weighs only 50 grams, so you can take it with you. Alloy lock body: The bicycle lock body is made of zinc alloy and wrapped with PVC material to prevent scratches to the bicycle frame, and is wear-resistant and durable. Elasticity and flexibility: The helmet lock can be stretched to 90 cm, which is very suitable for locking the helmet on bicycles, motorcycles or suitcases. Helmet Bike Lock Cable Combination Bike Cable Lock Light Bike Lock Compact Bike Helmet Luggage Lock Use a combination lock instead of a key, dont worry about losing/remember to carry the key to unlock it. The bicycle lock body is made of zinc alloy and wrapped with PVC material to prevent scratches on the bicycle frame, wear-resistant and durable. It's small in size and fits into the pocket of a cycling suit or travel bag. It weighs only 50 grams, so you can take it with you. Suitable for most bags, backpacks, travel bags, snowboards, strollers, helmets, bicycle seat anti-theft devices, etc.