This might be a limited edition option component the FS-12FZ radiance engine, that can be utilized in the new release for Item 84390 TG10-Mk.2FZ Chassis Kit.
Made from lightweight aluminum, the flywheel represents a weight saving of around 15g compared to kit standard sintered component. The extra weight decrease gives more effective engine rotation effect. Will be a blue anodized finish. Appropriate TG10-Mk.2FX and TG10-Mk.2FZ vehicles.
