Big Mama reloaded With the second version of the legendary Big Mama a new era begins. Our half-pipe, the "Big Mama", was the first Black River obstacle and remained unchanged for over a decade. Before changing anything on such a long time “companion”, one really has to think things through. With the channel / roll-in the original obstacle receives a special feature offering countless new trick opportunities while simultaniously preserving the classic atmosphere of the first Big Mama. length: 28.9inch width: 17.6inch depth: 9.4inch