All-new front wings, giving a massive boost in top speed, wind range and control. All-new 180 H.A.R. tail wing with improved traction and control. New Jumbo Evolution MkII fuselage with an integrated fin for rock-solid stability and a smoother flight. Two mast positions are available on the 99 fuselage: 99/31 and 99/34 where 31 and 34 indicates the distance from the front of the mast to the front wing. The default fuselage is the 99/31 and the 99/34 is available for riders looking for more front foot pressure.