Capita Stairmaster Extreme Snowboards going fast at Proboardshop. A hopped up version of the perennial favorite Stairmaster snowboard, the Mens Stairmaster Extreme from Capita Snowboarding is meant to go everywhere whilst doing cute maneuvers. Camber is not dead for a reason and this board proves it. Your shiny new Stairmaster Extreme will ship fast and free when you order it from Proboardshop. We have had it all since 1982.