The Kryptonite U-Lokko Kryptolok 2 STD is a robust and reliable u-lock designed to provide cyclists with peace of mind. Featuring a 12.7mm hardened performance steel shackle, this lock offers exceptional resistance against cutting and leverage attacks. Its patent-pending hardened double deadbolt design enhances security by protecting against twist attacks, making it ideal for securing bikes in suburban or rural areas, or for quick stops in urban settings. The lock also includes a high-security disc-style cylinder that is resistant to picking and drilling, ensuring your bike remains safe. Constructed with a 12.7mm hardened performance steel shackle for superior strength Features a patent-pending hardened double deadbolt design for added protection against twist attacks Equipped with a high-security disc-style cylinder that resists picking and drilling Comes with two stainless steel keys designed to reduce torque and prevent bending or breaking Includes a 4Kryptoflex double looped cabl