¢Tough, lightweight wearable-chain bike lock¢Sold Secure Bicycle Silver Approved¢8mm hardened square alloy steel chain¢Protective neoprene cover¢Comfortable to wear and kind to your bike frame¢Unique patented linear pin tumbler locking mechanism¢The dimple key slot system operates without the need for turning, opening with the push of a button to release the strap for quick and easy use¢2x Dimple keys included¢Includes an adjustable extender strap enabling user flexibility when worn around the waist¢Lock length 850mm¢Connect multiple Chainlok⢠8 bike locks together to extend the reach of your lock when securing additional bikes