CNC-machined highest-quality aluminum LEFT C-hub for ARS suspension system. Caster pre-set at 4 levels. Generates maximum traction. Suitable for very-low-traction conditions. Once the wheelbase will likely to be shortened a whole lot with this specific environment, it is suggested to lengthen a corner wheelbase by moving the trunk arms completely right back. Machined from premium Swiss 7075 T6 aluminum and black coated. Engraved with "4L" for simple identification. Includes two nylon bushings. The C-hubs can be purchased in standard caster angles (0°, 2°, 4°).