Transport your rugged U-lock and keep your frame scratch free with the innovative Kryptonite Transit FlexFrame U Bracket Mounting Kit. Optimise the position with 360-degree rotation and micro-adjustment so your lock aligns with the geometry of your frame. Key Features The Transit FlexFrame-U mounts quickly and easily and supports the transportation of the most common u-lock sizesThe Flex Frame-U fits bicycle frame tubing 25 mm to 80 mm whether round, oval, triangular or square shapesThe mounting system allows for 360-degree rotation offering the ability to micro-adjust the lock angle to better fit and align with a bike frame's specific geometry13mm & 16mm Specifications: Mounts quickly and easySupports the transportation of the most common size u-locksCompatible with 13mm & 16mm round shaped shackles360 DEGREE ROTATION allows for the ability to micro-adjustHeavy-duty SOFT STRAP SYSTEM contours to bike frameProduct dimensions: Fits bicycle frame tubing 25mm to 80mm whether round, oval, triangular or square shapesProduct weight: .40 lbs (.18 kgs)Limited lifetime warranty