Home / Airframe Parts & Assemblies / Trike & Fuselage / Axle, Main, Curved Axle, Main, Curved$131.95 Axle, Main, Curved quantity Add to cart SKU: Q40310 Category: Trike & Fuselage Description Description This is the “Hump” axle originally used on the early weight shift aircraft. It was also used on the early MX models.