ABUS is a famous company located in Germany that produces mobile security products on highest level. All products are produced 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 0.51 inch 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 0,59 to 1,38inch)