The affordable way to add a new dimension to your surfing.
Developed by Sean Mattison for Von Sol surfboards, the FCS Knubster is essentially a center keel 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 center plug to cater for the individual drive requirements of each surfer.
Attributes
- Compatible with FCS
- Article number:
436420 - Gender:
- Men
- Women
- Kids
- center keel fin
- 3 3/4” by 2” high







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