Motorcycle lock, chain lock Features: 1) Super hard,long life 2) Copper lock core 3) Good design key, not easy be copied. Motorcycle lock, motorcycle chain lockLock core Made of high quality carbon steel rope. Lock core Made of copper material, hard and tough, not easy be poked.Key Good design key, not easy be copied. Two keys a set or more than two keys.Neworld Industry Ningbo Ltd, has been ...