10 mm hexagonal links made of manganese steel to protect your bicycle from theft. The link design at the end of this anti-theft cable secures the bike chain in the hardened locking cylinder and provides an additional level of protection. The anti-theft device has a length of 90 cm and weighs 2.77 kg. This bike lock chain is a robust, flexible, and compact product. With over 45 years of experience in bicycle security, we help you protect your valuables. Our passion and constant innovation bring you the best smart security solutions.