This aluminum component can be used in place of the CC-02 chassis standard plastic part. The aluminum part improves overall rigidity and acceleration. Aluminum Spur Gear Mount x1 For use in place of the kit-standard plastic A5 component, this mount both improves chassis rigidity and increases drivetrain efficiency. This component is attached using three screws (kit-standard part uses two), for a more secure setup. light weight aluminum gunmetal color anodized finish. Shims are included to fine-tune attachment. Compatible with CC-02 chassis cars.