Channel Islands Bobby Quad Spine-Tek 5'3 Surfboard - Futures5'3" x 19 1 8" x 2 5 16" 25. 60L The Channel Islands Bobby Quad Surfboard. Bobby Martinez challenged CI to build him as short of a board as possible with the goal of maximizing his fun in Santa Barbaras tiny summer surf. He also added that it had to be a quad, and it still had to live up to his high performance standards. Bobbys shortboards are 58 but for this customized four finner he was thinking we ought to take it down to 52. By shortening the