Kryptonite Transit Flex Frame-U Lock Bracket Along for the Ride Get your U-lock out of your backpack and onto your bike. This bracket straps to almost any frame tube and rotates a full 360deg, so you can position your lock right where it fits best. Features Fits 13mm and 16mm round shackles, works with most Kryptonite U-locks Universal frame fit, mounts to 25mm to 80mm round, oval, triangular, or square tubes360deg rotation, micro-adjust the lock angle to suit your frame Single-point attachment, adjust without removing the bracket completely Heavy-duty strap system, contours to your frame for a secure hold SPECIFICATIONSFit13mm or 16mm shackles, 25mm to 80mm frame tubes Weight180g | Kryptonite | Transit Flexframe-U Lock Bracket Black