This premium aluminum main gear shaft is engineered as a direct replacement for the slipper clutch assembly in Kyosho RB7SS and RB7 1/10 scale 2WD off-road buggies. Crafted from high-quality, lightweight aluminum, this component is designed for competitive racers seeking a performance edge in high-traction conditions. Its primary function is to eliminate the rotational mass associated with a slipper clutch, providing a direct connection between the motor and the transmission. This upgrade significantly enhances throttle response and improves acceleration, allowing for more precise control and quicker lap times on the track.