7 mm square chain with fabric sleeve to prevent damage to the bicycle‘s paintwork The chain is made of specially hardened steel Two component moulded digits guarantee life-long visibility Special touch protection for higher security against unauthorized access to the code through manipulation of the mechanism Individually settable code Easy to transport as the chain can be wrapped compactly around the seat post (for lengths up to 85 mm) For protective transportation we recommend, for example, the frame bags ST 2200, ST 2250 or ST 2012 Weight: 1050g