This is a bike lock with a difference—it is tough and lightweight but also wearable! It is Sold Secure Bicycle Silver Approved and made from multiple high-tensile steel cores, a flexible outer layer, and a protective neoprene cover. It is comfy to wear and kind to your bike frame and weighs 1.26 kg. It comes with an adjustable extender strap for added versatility when worn around the waist - the lock length is 850mm. It features a unique patented linear pin tumbler locking mechanism and a dimple key slot system that operates without the need for turning, opening with the push of a button to release the strap for quick and easy use. Comes with two dimple keys. You can connect multiple Straplok 35/850 bike locks together to extend the reach of your lock when securing additional bikes