The Sonar Foil System is connected to the board by a lightweight CNC-machined aluminium Board Adaptor with a tapered geometry locking connection that engages with the mast, fusing Board Adaptor and mast together to build one union for optimum load transfer and a stronger, more direct feeling and steering impulse when foiling. FE-Analysis allows us to increase strength in the areas of highest stress concentration and reduce unecessary weight in lower stress areas. Incorporates a strong geometry locking connection for better energy transfer and a more direct feel. ​Fits all boards with 165x90mm mounting pattern. The Foil Board Adaptor is compatible with the AF72 and AF85 masts. It is not compatible with the AK Kite Masts.

- Fits all boards with Industry Standard 165x90mm mounting pattern
- Compatible with AF Foil Mast Series
- Not compatible with AK Kite Mast Series
Code: 85010.210090

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