Description Liquid Force FCS Compatible Fin 2.0” This is a replacement FCS compatible fin. This fin will work on Grindwater wakesurf boards, Liquid Force NoseRider, Liquid Force Quad and Liquid Force Thruster. Will also work with Ronix Wakesurf boards like the Ronix Koal and Ronix Duke. Any fin that uses the FCS fin box will be able to use this fin set.
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