FCS II Reactor Glass Flex SHAPER Fins Great Deals Smaller centre fin for increased

Smaller centre fin for increased pivot and tail release

showed what was possible on the infamous North Shore wave

just slide them back in till they click into place

Sensitive skins

Harley's XXL template delivers maximum speed and drive for powerful surfers

FCS II Reactor Glass Flex SHAPER Fins Great Deals Smaller centre fin for increasedA glass flex set of FCS II fins. Ideal for a novice surfer. Board Types Designed to fit the FCS II Fin System. Recommended for all board types. Glass Flex Glass Flex (GF) fins are moulded from engineering grade polymer. The flex of these fins has been designed to help novice surfers maintain speed and acceleration as they learn to execute turns and manoeuvres.