This product is a replacement spur gear designed for use in Volcano 16 series Redcat Racing RC vehicles. It is a round gear with teeth that mesh with the pinion gear on the motor, transferring power into the drivetrain to drive the wheels. Made from durable molded plastic, it is built to withstand regular use and maintain smooth gear engagement. The spur gear fits into the vehicle’s transmission assembly as a direct replacement to keep power delivery efficient.