Fin configuration: One aluminum Shank fin on each end. Byerly Lock compatible, but not included. The catalyst series feature our most pronounced concave. This bigger pocket gives a rider more pressure to leverage off of. A Byerly lock compatible line of decks made with twice as much glass as any of our other wakeskates for more control throughout the entire board. This increased weight helps a skater whether doing a shuv-it, kick flip, or an indy off the double up. The Catalyst series also comes standard with a bevel on the bottom to prevent the infamous "edge catch". Hyperlite's most universal high-end shape. Designed by Brian Grubb. Green EVA top. Nylon base. 2-Shank fins.