Description The Abus Steel-O-Chain 5805C is a hardened steel chain with a combination locking mechanism & a fabric covering to protect your bike’s frame. The numbers on this combination lock remain legible even after prolonged use! ABUS STEEL-O-CHAIN 5805C FEATURES & SPECS 110cms long Security Level 4/15 5 mm thick square chain with textile sleeve that prevents damage to paintwork The chain is made of special steel Two-component number reels guarantee long-term readability of the digits The number code can be set individually Good protection at low theft risk Recommended for the protection of low-range bicycles The longer the chain, the easier the bicycle can be locked to a fixed object