FCS II MB PG Split Keel Quad Fins Size:Medium First developed in 21

First developed in 21

which equals speed and life when on rail and over flat spots while allowing for quick rail-to-rail transitions

it's the deepest and widest split tail we've released

Leash Lock

"I move my back foot around a bunch when I surf

FCS II MB PG Split Keel Quad Fins Size:Medium First developed in 21FCS II MB PG Split Keel Quad Fins are Matt 'Mayhem' Biolos's specialty quad fin set. This high area quad keel set adds bite and control to hybrid boards with wide tails, without sacrificing pivoting capabilities. Board Types Designed to fit the FCS II Fin System. Recommended for all board types including modern fish and hybrid models with moderate to low rocker. Performance Glass Performance Glass (PG) fins are machine cut from layers of solid