Grub Screw Kit (FCS) BF50 minimalist loop stays out of

minimalist loop stays out of the way while pumping onto the plane

Shimming changes the angle of attack (AOA) and controls the amount of downforce the stabilizer creates on the overall foil system - to increase the stabilizer AOA and front foot pressure

With a wide range of adjustment for all shapes and sizes

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

Grub Screw Kit (FCS) BF50 minimalist loop stays out ofScrews to secure your surf fins in place. Easily removed with the North Fin Key (included).