OnGuard Clamp Bracket for Cable LocksThe OnGuard Clamp Bracket for Cable Locks 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 "Cable, 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.