Oxford Stronguard 1.0 U Bike Lock

Maximum security: U-lock with a 14mm ⌀ shackle core (Duo model only includes 1.2m cable). Tested & approved: Sold Secure Powered Cycle GOLD and Pedal Cycle DIAMOND. Weatherproof: key barrel shield protects locking mechanism from the weather. Unique carry bracket: attaches lock securely to your bike frame so it's ready to use when you're out and about. Includes: 3 keys and a replacement key service is available should you have lost your keys., Manufacturer: Oxford Products