Crankshaft Middle Inertia 85sx `18-25, Tc85 `18-25, Mc85 `21-25

This VHM crankshaft is designed with a higher inertia for an improved handling and performance and a better balance percentage for less vibrations. You'll notice the high quality, as the runout is within 0.01mm and it can be rebuild many times without losing the strength and stiffness. Better top over revolutions Better handling Higher corner speed Longevity and accuracy Less vibration