CNC-machined highest-quality aluminum C-hub for ARS suspension system system. Caster pre-set at 0 amounts. Suited to high-traction conditions as it yields greater off-power steering, rotation and cornering rate. Machined from premium Swiss 7075 T6 aluminum and black colored coated. Etched with "0" for effortless recognition. Fits left or right sides. Includes two nylon bushings. The C-hubs can be purchased in standard caster views (0°, 2°, 4°).