The ultimate wearable chain lock for the highest risk urban areas. Hiplok GOLD is the toughest of chain locks featuring Hiplok`s patented wearable speed buckle fastening which quickly adjusts to fit the waist while riding without being locked to the body. 12mm hardened steel shackle - Steel lock body with brass mechanism impact resistant super tough nylon case attached to a 10mm hardened steel chain. Removable durable washable sleeve with reflective detailing and 3 coded replaceable keys as standard. 3 keys with coded key replacement program. Locking diameter: 85cm/33.5`. Fits waist sizes 28` - 44`