The Kryptonite FlexiFrame D-Bracket Mounting Kit is the latest innovation in D-Lock transportation. This allows you to safely and effectively transport your security with you wherever you go. This Bracket Mounting Kit easily supports most D-Lock sizes and allows for 360 degree rotation so that you may adjust the lock angle for a better geometrical fit with your bike’s frame. The Kryptonite FlexiFrame D-Bracket Mounting Kit is an affordable and convenient way to safely transport your bike security without weighing you down. Kryptonite FlexiFrame D-Bracket Mounting Kit Features The latest innovation in D-lock transportation from Kryptonite The Transit FlexFrame-D mounts quickly and easily and supports the transportation of the most common D-lock sizes The Flex Frame-D fits bicycle frame tubing 25 mm to 80 mm whether round, oval, triangular or square shapes The mounting system allows for 360 degree rotation providing the ability to micro-adjust the lock angle to better fit and align with a bike frames specific geometry