The Only Indoor Biking That's More Dangerous Than Its Outdoor AlternativeKyle VanHemert3/02/10 9:00pm203EditPromoteDismissUndismissHideGo to permalink So you want some cycling practice but you're worried about all of the reckless drivers out there. You don't want to resort to one of those lame stationary bikes, either. The solution? Free motion bicycle rollers. Updated: More danger!