5 mm steel bars, with extra soft 2-components coating to prevent damage to the bicycle’s paintwork. Link construction allows compact folding. The bars, the case, the links as well as supporting elements of the locking system are made of special hardened steel bars are linked with special rivets. Premium cylinder for high protection against manipulations, e.g. picking. Set includes two Bordo 6000 keyed-alike. Four keys are supplied with the locks. The two locks interlocked result in a total length of 180 cm