OnGuard Clamp Bracket for U-Locks 8053The OnGuard Clamp Bracket for U-Locks 8053 is designed to mount to either your seatpost or your top tube with adjustable angles. To use it, simply attach the universal mounting bracket to your bike, insert the lock "U" fixture, and twist clockwise. To release, push the orange release lever and twist counterclockwise. It’s never been easier to carry your lock.Compatible with OnGuard U-locks.768661280536