WRD-BCSC · Bobcat Body Components Bobcat Body Components Replacement Bobcat tool body components. Fits Bobcat assembly Part Tool body components Where this part is used Bobcat Assembly WRD-BCA → Main body screws M6 × 25 mm Phillips · set of 4 → Other parts for the Bobcat assembly Bison Ball Bearings → 2pcs set of ball bearings for the WRD Bison. Bison Spindle/Shaft → Replacement spindle for the Bison. Bison Spring Set → Replacement springs for Bison. Deflection Rods → 2pcs replacement deflection rods for the Bison system.