About this item Bike LockNo complicated operation, the key opens your bike lock sleeve and gently press it, the bike is locked, which is convenient and quick. The key's outer shell is wrapped in ABS plastic for durability. Circular groove design, each key has its own number, it is not easy to copy, increases security and is more anti-theft. Multiple working modesThe bicycle lock has different locking styles. You can lock the rear fork or the rear wheel. You can use two or more locks to lengthen the bike lock and lock multiple bikes together. MaterialHigh strength zinc alloy lock head, anti-rust and anti-corrosion, strong and sturdy. increased safety factor. Lock body surrounded by PVC, avoiding scratching the frame, longer service life. Easy to carry Single lock length is 30cm, diameter is 1.2cm , circle diameter is 9cm, weight is 260g, soft and comfortable, mini and portable. You can put it in your pocket or hang it on your arm or on your bike. What's more, it can be hung under the saddle of your bicycle. Wide Application and Best ServiceIdeal for bicycles, mountain bikes, road bikes, city bikes, mountain bikes. mountain, etc.