The Bike-It Mammoth MDX-12 Disc Lock is a premium security option which offers sold secure Motorcycle Gold standards.Premium security motorcycle disc lockTested to Sold Secure Motorcycle GoldLarge 16mm hardened steel pin constructionEncased hardened body and Barrel coverFlat key plus spare with replacement key serviceThe Bike-It Mammoth MDX-12 Disc Lock has been made using large 16mm hardened Steel pin construction with an encased hardened body and barrel cover.This Lock comes with a spare flat key, and there is also a replacement key service if you misplace your Key.The Locks have been independently tested by Sold Secure, the world-class certification house, achieving a high security rating of Sold Secure Motorcycle Gold. It is worth noting that many motorcycle insurers will reduce your insurance premium if a Sold Secure rated lock is used to secure your vehicle.