Lock-Chain Combination IVEN Chain 8210. Features: 8 mm square chain with functional, long-life and highly-flexible mesh sleeve to prevent damage to the bicycle‘s paintwork. The chain, the case as well as supporting elements of the locking mechanism are made of special hardened steel. Premium cylinder for high protection against manipulations, e.g. picking. Ergonomic lock body cover with softcase technology, to prevent damage to the bicycle‘s paintwork. Two keys are supplied with the lock. Transport: For protected transport, the frame bags ST 2200 and ST 2250 are recommended (for 85 cm length). Convenient compact transport by wrapping the chain around the seat post (for 85 cm length) Technical Data: Security level: 10/15, Height: 110 cm, Weight: 2497g, diameter: 8 mm. Finish: Black.