Abus ACH Superior Adaptor Plug-in Chain for Ring Lock 7mm x 100cm Black

Perfect for bikes with existing ring-locks, or "cafe-locks." Features a rotating oval loop ring, a protective coating, and a 7 mm thick chain. A superior plug-in chain and the ideal addition to your frame/wheel lock. Stops bikes from being carried away. Can be wrapped around a post or tree and then plugged-in to your ring-lock using your existing key. Works on Gazelle bikes.