These are Schumacher Racing Products factory replacement hub carriers for the Mi9 1:10 touring car platform. Sold as a pair, they serve as the steering knuckle and rear hub carrier assemblies that locate the axle and connect the suspension geometry. Made from hard composite plastic, they are direct drop-in replacements for worn or damaged originals. Features: Sold as a pair Hard composite plastic construction Fits Schumacher Mi9 1:10 touring platform Covers both front caster block and rear hub carrier roles 7/7/26 cs