Can be added to any quad set-up. Increase drive and provide directional control through turns.

Overview
- Developed by Sean Mattison for Von Sol surfboards, the FCS VS KNUBSTER is essentially a centre fin that can be added to any quad set-up
- The fin will increase drive and provide directional control through turns, without sacrificing speed, flow, or the freedom of movement typically associated with a quad.
- The “KNUBSTER” is designed with a single tab that allows the fin to be positioned in the forward and rear centre plug to cater for the individual drive requirements of each surfer.
Ideal Conditions
- A wide range of conditions from beach breaks to point breaks.
Board Types
- All board types.
- Will fit the FCS II Fin System when used with grub screws and the FCS Infill Kit.
Thermo Polymer
X-SMALL (Under 55Kg / 120 Lbs)
SMALL (55Kg - 70Kg / 120 - 155 Lbs)
MEDIUM (65Kg - 80Kg / 145 - 175 Lbs)
LARGE (75Kg - 90Kg / 165 - 200 Lbs)
X-LARGE (Over 85Kg / 190 Lbs)

FCS GIFTS UNDER $50