The Trelock ZR 355 Connect plug-in chain provides additional security for your bike. You can use the chain to secure your bike to lampposts, fences, and other objects. The chain is compatible with the Trelock frame lock RS350/RS351/RS450/RS451/RS452/RS453/SL460. The chain has 6 mm square links and is made of highly durable hardened steel. It's an ideal addition to locks with the Connect System. The elastic textile sleeve protects both the chain and your bike's paintwork. Specifications: - Very stable chain with square links - Chain thickness: 6 mm - Compatible with Trelock 350 / RS 351 / RS 450 / RS 451 / RS 452 / RS 453 SL 460 ring locks (not suitable for CONNECT RS 440 / RS 445 ring locks) - Elastic textile cover protects the paint - Length: 150 cm - Material: hardened steel Suitable for Trelock RS350, RS450, RS453, RS455 and SL460 ring locks.