About the manufacturer: ABUS is a famous company located in Germany that produces mobile security products on highest level.
All products are produced/made in Germany. The ABUS Granit x-plus 540 is the flagship bicycle U-Lock from ABUS. Ideal for urban settings and high quality bicycles needing strong theft protection, the 540 features a patented 13mm Temper hardened steel square parabolic shackle and a double bolting shackle/lock body. Patented Abus power cell technology offers the highest protection against hitting and pulling attacks while the x-plus key cylinder offers extremely high protection from picking. The 540 can be keyed alike with other Abus locks featuring the same x-plus cylinder - very convenient for multi-lock and multi-bike households. Comes with USH-Holder (Universal-holder for bike tubing diameter 15-35mm/0,59-1,38inch)