Constructed from a 10mm hardened square alloy steel chain, this ultra-tough wearable bike chain lock features a stylish and protective neoprene cover that is both comfortable to wear and kind to your bike frame. An adjustable extender strap is included enabling users to wear the Chainlok⢠safely without the product being locked to the body when cycling. The Chainlok⢠10 features the same unique patented linear pin tumbler locking mechanism as the Straplok⢠35/850.The unique dimple-key slots into the lock body in either direction without the need for turning, and the push button releases the chain for quick and easy operation. Weighing 2.3kg the Chainlok⢠10, with a length of 850mm, provides robust and dependable security, ideal for locking all high-end bicycles, e-bikes and cargo bikes.It is also available in a lightweight Chainlok⢠8 model weighing 1.8kg, constructed from an 8mm hardened square alloy steel chain and achieving Sold Secure Pedal Cycle Silver approval respectively. Squires wearable range of toughness guaranteed bike locks carry a personal 10-year guarantee as standard.