This rear universal shaft is an RC replacement intended for the Kyosho Mini Inferno ST chassis, MIF-ST02/HD. It transmits torque to the rear wheels while addressing common wear and alignment issues encountered in frequent running.
Specified as heavy duty, the shaft is targeted at setups with increased duty cycles; it reduces driveline compliance and helps preserve geometric alignment under lateral and drive loads, which improves repeatability lap to lap.
Installation follows standard procedure: remove the rear drivetrain cover, extract the existing shaft per the chassis documentation, and fit the replacement ensuring correct engagement with gearbox output and rear hubs. Confirm free rotation and correct seating before use. Inspect joints and splines regularly and service as part of a preventive maintenance routine.