Keyless locking: no key required, just press lightly, the bike is locked, convenient and fast. The outer layer of the key is wrapped with ABS plastic, strong and durable. Circular groove design, difficult to copy, increases safety. Each key has its own number, low probability of being unlocked by other same keys, is safer and anti-theft. Portable and easy to carry: the length of the individual lock is 30 cm, the diameter 1.2 cm, the circle diameter 9 cm, the weight 240 g, soft and comfortable, mini and portable. You can put it in your bag or hang it in your arm or bike frame. It can also be hung under your bike saddle. Widely used: Ideal for bicycle lock, mountain bike, road bike, city bike, MTB, perfect for your riding trip. Yosmy offer various bicycle bags, bicycle lock, meet your cycling needs. Locking options for multiple bicycles: The bicycle lock offers different locking types with all functions. You can lock the rear fork or lock the rear wheel, and it can also be used as a disc brake lock. You can use two or more locks to extend the bike lock, and lock several bicycles together. Material: High-strength zinc alloy locking head, anti-theft, rust and corrosion protection, strong and durable. Seven core protection, increased safety factor. Lock body with PVC coating, comfortable and soft, prevents scratching of the frame and extends the service life.