Abus Granit Xplus 540/160 Hb 230, 9 Inch U Bike Lock, 111617The Granit XPlus 540 is the flagship bicycle ULock 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 dou..