Axis Fuselage to 19mm Mast Adapter Doodad

The Axis Fuselage to 19mm Mast Adapter, nicknamed the "Doodad" by Axis Foils, is an aluminum adapter that mechanically connects a 19mm integrated Axis mast to an Axis fuselage. It serves as a required interface piece in Axis aluminum mast setups, sitting between the mast head and the fuselage to create a secure, rigid connection. The Doodad ships with the adapter itself and two M8x70mm star-recessed fuselage bolts needed for installation.

Axis uses a modular foil system where masts, fuselages, and wings can be mixed across their product lines. The Doodad is the piece that makes this modularity work for riders using 19mm aluminum masts — without it, the mast cannot physically mate to the fuselage.

• Material: Aluminum
• Mast compatibility: Axis 19mm integrated masts
• Fuselage compatibility: Axis S-Series and K-Series fuselages
• Included hardware: 2x M8x70mm star-recessed fuselage bolts
• SKU: AX22ADPT19MM

The Doodad is for any rider running an Axis 19mm aluminum mast who needs to connect it to an Axis S-Series or K-Series fuselage. This covers a wide range of disciplines — wing foiling, kite foiling, surf foiling, SUP foiling, prone foiling, and downwind paddling — since Axis builds foil components across all of these categories.

Riders using Axis carbon masts generally do not need this adapter, as those masts connect to the fuselage differently. If you are building up or replacing parts in an Axis aluminum mast setup, or switching between fuselage series, this is an essential component to have on hand. It is also commonly purchased by riders integrating a Foil Drive electric assist unit with their Axis foil, since that setup relies on the 19mm aluminum mast platform.

The Doodad sits in the hardware and accessories tier of the Axis Foils catalog, alongside other connection adapters, shims, and replacement bolts. It is not a performance component — it is a structural connector that enables Axis's mix-and-match foil architecture. Within the Axis system, riders choose a mast (available in various lengths and in both aluminum and carbon), a fuselage (S-Series or K-Series), and front and rear wings. The Doodad is specifically the bridge piece for the aluminum mast side of that equation.

At $75, it is priced in line with other brand-specific foil adapters on the market. Riders committed to the Axis ecosystem who run aluminum masts will need one of these in their hardware bag, whether assembling a new setup or carrying a spare for travel and session-day repairs.