FCS II MATT BIOLOS SPLIT KEEL QUAD FINS SMOKE

OverviewMatt 'Mayhem' Biolos's specialty quad fin set. High area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities.Board TypesDesigned to fit the FCS II Fin System. Recommended for all board types including modern fish and hybrid models with moderate-to-low rocker. Side Base: 4.63" / 117.4mm Depth: 4.79" / 121mm Area: 19.27"² / 12432mm² Sweep: 44.8° Foil: FlatQuad Rear Base: 4.03" / 102mm Depth: 4.40" / 112mm Area: 12.63"² / 8150mm² Sweep: 28.5° Foil: 80/20FCS Performance Glass (PG)Performance Glass material characteristics and flex pattern are identical to traditional fibreglass fins offering a stiff base with subtle responsive tip flex, amazing aesthetics and proven durability. PG fins are the perfect transition fin for surfers moving from fixed fins to the convenience, accuracy and performance of FCS. Share