Keep your bike safe with this Kryptonite U-Lock Bicycle Lock. The lock is made with a durable steel shackle and a double deadbolt design for added security. It comes with a FlexFrame-U Bracket for easy transportation, and it's lightweight at only 5 ounces. The item dimensions are 11.00 x 6.50 x 1.50 inches, and it's suitable for bikes of all types and sizes. The lock is backed by a lifetime manufacturer warranty, giving you peace of mind that your bike is protected.