Lock-Chain Combination Tresor 1385. Features: 7 mm square chain with fabric sleeve to prevent damage to the bicycle‘s paintwork. The chain is made of special 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. Convenient compact transport by wrapping the chain around the seat post. Security level: 7/15. Lenght: 110 cm, weight: 1050 g, Finish: Black