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