The Brand RADIKAL is a specialist in high security locks that has many tested and SRA approved models that we recommend for situations with a high risk of theft. If you need an anti-theft Anti-perforation, Anti-saw, shear, hammer, etc. Internal double locking mechanism with high security lock with protective sliding cover for dust and water. Cro-Mo hardened steel security padlock with extra protected fork hidden inside the padlock less accessible to attacks. This bike chain lock does allow one link to be inserted into the other to fix the padlock to a link, thus greatly increg the resistance of the set to attacks. 170 cm Length is the most used size, ideal for transporting it. 10 mm square section welded links. Textile cover to avoid damages that unlike other models is not riveted so that it can be replaced. Hardened steel cut proof chain ø10 anti-theft chain to protect your motorcycle, scooter and bicycle. You can combine it with the Radikal RK54 and RK60 anchors in the garage.