F4 Foils GP back wings are the latest generation of back wings from F4 Foils for slalom race foiling. The ultra high modules carbon back wing and the rear part of the fuselage consist of 1 part. This ensures optimal stiffness and minimal drag. The GP back wings are available in various sizes.

Trimming the GP back wing

Adjusting the angle of the F4 Foils GP back wing is different from the other back wings of F4 foils. The angle of the back wing is trimmed by means of spacers (sold separately) that sit between the 2 fuselages pieces.

Compose your own F4 Foils GP

A GP wind foil consists of 3 parts and within the GP series all parts are interchangeable so that you can put together your own set up.

A GP wind foil consists of the following parts;

• F4 Foils GP carbon mast
• F4 Foils GP front wings
• F4 Foils GP back wings
• Mounting hardware and shims to trim the back

Recommended GP front and back wing combinations

Of course, we know that the set-up of your F4 Foils is something very personal, but we would like to give some advice on which wings combine best;

• The 650 and 620 GP Crissy front wings combine best with the GP back wing 190 medium
• The 540 GP Crissly front wing works well with both the GP 190 medium and GP 170 medium.
• The 500 and 475 GP Crissy front wings combine best with the GP back wing 170 medium