] The recall involves about 6,000 of the single-rider, ] two-wheeled scooters that can travel up to 12 mph. The ] scooter uses gyroscopes to keep it upright, making it ] less likely to fall or be knocked over. ] ] ] ] But the CPSC said that scooters being operated with low ] battery power may not have enough power to remain ] upright, causing the rider to fall. Yahoo! News - U.S. Issues Recall for Segway Scooters |