Greyson has fine and gross motor delegate as well as hypervestibular dysfunction which makes balancing not only difficult but causes vertigo. They no longer make training wheels for bikes his size and he now needs an adaptive bicycle/trike  

Greyson has fine and gross motor delegate as well as hypervestibular dysfunction which makes balancing not only difficult but causes vertigo. They no longer make training wheels for bikes his size and he now needs an adaptive bicycle/trike