Kryptonite, innovator of the bicycle U-lock, is a premier provider of high-quality cables, chains, U-locks and flexible security systems for the bicycle, powersport and hardware markets. Kryptonite locks are sold in more than 50 countries. Kryptonite's passion is to ensure our customers can go where they want, when they want, by offering smart, serious security solutions. We will be the portable security standard against which all others will be compared by providing unparalleled product quality and service with integrity.

• 5/16” x 1-1/2” Shackle