Description 3.5" Fiberglass Bottom Mount wakesurf Fins
3.5" fin used on all newer Ronix bottom mount surfboards. If you have a FCS type fin box on your wakesurf board these will work.
Features:
1 Bottom mount fin
FCS compatible
Use on Ronix Thrusters, Parks Thruster, Koals and all wakesurf boards that use FCS type fins
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