Christenson Lane Splitter 5'5 Surfboard - FCS II55" x 19 7 16" x 2 3 8" 27. 16L The Christenson Lane Splitter Surfboard. This model from Christenson is your answer to a more performance based, shortboard style feel from a twin fin. This board has a tighter turning radius compared to a traditional twin, while it still enjoys being ridden rail to rail. This is due in part to the deep vee that runs through the bottom of the board that flattens out a bit right toward the end of the tail. There is still