North SONAR AF – Foil Mast
Size chart

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SONAR AF
Foil Mast
Our refined aluminum foil (AF) profile offers the best balance between low weight and increased strength for higher loads. The AF72 mast is ideal for shallower water and surf foiling. The AF8 is the perfect beginner size for wing foiling. The AF85 performs in all disciplines and is more forgiving in rougher conditions. The AF85 and AF95 give you more height to cross waves or make tight turns. The 55cm AF mast is for extremely shallow waters.
NOTE: The AF mast does not have an integrated foilboard mounting plate. To mount it on your foilboard, you need the AF board adapter, which is sold separately or included in all Sonar AF and Prime editions.
- Strong, weight-optimized design
- GeoLock conical geometry locking system for optimized load connection
- Requires Sonar Board Adapter for attachment to the foil board (sold separately)
- Compatible with any sonar carbon or alloy chassis
- AF55-mast for extremely flat locations
- AF72-Mast ideal for shallower water and surf foiling
- AF8-Mast is the perfect beginner size for wing foiling.
- 'AF85-Mast performs in all disciplines and offers you more height to cross waves and chop, and is more forgiving in rougher conditions.'
- AF95-Mast, to cross waves and chop or to navigate tight turns
- Anodized aircraft aluminum
- Mast only