Dresco plug-in chain for ring lock The Dresco plug-in chain is used in combination with the Dresco ring lock. The chain has hardened steel links and a strong protective polyester cover to prevent damage to the bicycle. The chain is ideal for extra anchoring of the bicycle to, for example, a lamppost. With the key of the Dresco By turning the chain around the seat post, the extra lock is easy to take with you. Specifications: Color: black Gender: unisex Material chain: steel Material cover: polyester Length chain: 90 cm Thickness links: 5.5 mm Thickness plug-in pin: 10 mm Dimensions packaging: 2 x 5 x 35 cm (L x W x H) Quality mark: no ART quality mark Weight: 694 grams