Highly efficient Designed as the evolution of the HA195 stabiliser, the ARMSTRONG 180 Speed stabiliser offers greater efficiency and top end of intermediate through advanced wing, surf and downwind foilers. Its high modulus carbon construction is extra stiff for instant pumping and carving response. Recommended for WING: Rider weight 50kg (110lbs ), Intermediate/Advanced PRONE/SUP SURF: Rider weight 50kg (110lbs ), Intermediate/Advanced DOWNWIND: Rider weight 50kg (110lbs ), Advanced WAKE: Rider weight 50kg (110lbs ), Advanced KITE: Rider weight 50kg (110lbs ), Intermediate/Advanced Specifications Area: 180cm² Span: 400mm Aspect Ratio: 9