Shackle, body, and supporting elements made from temper hardened steel for cut and torsion resistance make this lock able to stand the test of a couple hours in a restaurant, inside of a garage or in a buddies backyard, giving you ease of mind and the ability to enjoy your day. Comes with a mount to easily mount to your frame. Put this on the same order as your brand new bike and specify where you want the mount and we'll install it for you.