Abus USH 540 lock carrier for Granit X-Plus 540 U lock.
This bracket mounts on frame tubes 15 to 35mm in diameter and provides an easy way to carry your 540 U lock on your bicycle frame.
Notice the square opening to fit the Granit X-Plus 540 Square bar U lock.
To clarify, this bracket does NOT fit the 54 (mini) U lock.
USH 540 only fits the ABUS 540 U lock.