A Blocca Catena chain lock from the quality brand Viro that is very easy to use and works perfectly against theft. The chain is made of sturdy stainless steel and equipped with a polyester cover. This ensures that the chain does not damage the bicycle. It has an ideal length of 100 cm and a thickness of 8 mm. The lock is also made of the same steel and features a robust mechanism with an anti-drill technique. Due to this thickness and the sturdy lock, it is a very tough task for thieves to remove this chain lock from your bicycle. However, with the key, you can do this within seconds and secure or release your bicycle very quickly. A perfect chain lock to provide your bicycle with good security!