FCS II H4 Thruster Fin Set black A no-nonsense performance fin you

A no-nonsense performance fin you can use in any of the high-performance Mayhem models

This forgiving performance based rail shape allows for precision when the right section stands up

Fin Family

BOTTOM - SLICK

progressive surfing

FCS II H4 Thruster Fin Set black A no-nonsense performance fin youThe H4 looks and surfs differently from any other fin. Precision Swiss engineering matched with a highly evolved template provides an unprecedented level of control and predictability at high speeds. Radically different side & centre fin templates create a powerful fin set with ultimate speed & drive. SIDE FIN PROFILE: The lower section produces maximum acceleration, while the hatchet like tip creates stability & control. CENTRE FIN PROFILE: Highly