Ozone RACE+ V4 and FOIL RACE+ V4 upgrade kitRACE+ V4 and FOIL RACE+ V4 upgrade kit (extended de power throw range to 60cm)Race+ V4 and Foil Race+ V4 Upgrade KitAll Ozone standard V4 Control Systems feature a 42cm de power throw. Upon request from top kite racers we now have an Upgrade Kit to extend the de power throw to 60cm. This provides increased range of movement during critical race manoeuvres. To upgrade a Race Foil Race V4 to a Race+ Foil Race+ V4 the De power Line, Flag Out Line and