Seated atop three, four, or five wheels, mobility scooter riders zoom down sidewalks at up to 25 mph in rented steeds from Wiki Wiki Mobility Scooters. Their FDA-approved scooters with come with handlebar steering boast and up to two swivel seats, each equipped with a seatbelt and $2.13 in lost change to prevent head injuries during mid-ride bows. The scooters typically run on battery power, and the shop’s assorted e-bikes run on a cocktail of pedaling and electricity.