CNC-machined highest-quality aluminum LEFT C-hub for ARS suspension system. Caster pre-set at 2 levels. Helps produce more traction in the same time frame yields more off-power steering and cornering rate versus standard rear suspension system. Suitable for medium-traction conditions. Machined from premium Swiss 7075 T6 aluminum and black coated. Engraved with "2L" for effortless identification. Includes two nylon bushings. The C-hubs can be found in standard caster angles (0°, 2°, 4°).