VAAKA - Stroke RateVaak sensors are used by coaches and athletes like World Champion and Olympic Medalist Mark de Jonge to extend the boundaries of performance. Boat speed is a product of stroke rate and distance per stroke. Get the information you need. Vaaka Lightweight, wireless, electronic sensors provide real time stroke rate feedback and distance per stroke analysis to athletes and coaches for Kayaking, Canoeing, Outrigger paddling, Dragonboating, Stand up Paddle
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