UPGRADE: Added small parts and nuts to reinforce the bracket, no need to worry about the U lock slipping or falling during riding.
ADJUSTABLE: The bigger bracket part which fix to your bike round bar, 0.96inch-1.34inch diameter bike round bar is suitable.The smaller bracket part which fix to the bike lock, the diameter of hole is 0.63 inches. Our bike lock bracket is only suitable for 16mm U lock shackle
PORTABLE: The weight of the bike bracket holder is 88g. It is convenient to transport with the bike.
TIPS: Please measure the diameter of the bike U lock shackle and the bike frame tube before placing an order. This mounting bracket doesn't works for the ellipse tubes. If you have any problem with the mounting bracket, please don't hesitate to contact us. We will solve it for you asap