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