Excellent Security: Are you looking for a universal bicycle lock with high-quality anti-theft performance, the cable lock is the perfect choice, the lock and cable have the good workmanship and have the excellent anti-theft performance, which can keep your bike safe, you can use with confidence. Sturdy Material: The portable bicycle lock is made of high quality metal, the lock head is made of zinc alloy and the cable is made of wire made of steel, with a protective PVC edge, which is comfortable to the touch and will not scratch the bike. It is strong and durable, it is anti-rust and anti-corrosion, it has a long service life. Easy to Use: The bicycle cable lock can be easily locked without a key. It is equipped with two high quality manufacturing keys. It is strong and not easy to break, and its unique design is more secure. Convenient and Easy to Carry: The bicycle lock with key has the unique and useful design, it can be disassembled and assembled freely , you can connect multiple bike locks to lock more bikes. In addition, the inner diameter of the lock is 8cm, the outer diameter is 11.8cm, and the thickness is 1.2cm. The size is perfect and it is suitable for easy transport. You can hang it on the bicycle handle or put it in a backpack. Wide Application: The portable bicycle lock is universal, it is widely used for mountain bike, mountain bike road, mountain bike, scooter, city bike and etc. It is very suitable for students, office workers and cyclists.