... available wing rigger and tube rigger options Rowing Boat / Racing Shell 8+:(Barque/soutuvene/roeiboot/pot de rems/ barco a remos ... material used:ROWING BOATS LAY-UP DETAILS:CARBON RACER (AA)Shell: Hi Modulus Carbon wet layup, with Nomex honeycomb core. High ... .Carbon wing rigger, foot stretcher board, seats.KEVLAR RACER (A)Shell: Hi Modulus Carbon/Kevlar wet layup, with Nomex honeycomb core ...