Opera Spike EX7 8.5" Skateboard Deck The Opera Spike EX7 Deck is built on Opera&';s 8.5" x 31.95" EX7 shape with a 14.25" wheelbase. Its medium concave and medium kick provide a balanced combination of control and pop. EX7 construction uses 7-ply 100% North American Maple with epoxy glue, with each board individually pressed for strong pop and long deck life. Grip grooves on the nose and tail and inner wheel wells complete the construction. Details Construction: EX7 Epoxy 7 Materials: 7-ply 100% North American Maple with epoxy glue Pressing: Individually pressed Concave: Medium Kick: Medium Width: 8.5" Length: 31.95" Wheelbase: 14.25" Grip Grooves: Nose and tail Wheel Wells: Inner wheel wells