Amazon.com : Schwinn Meridian Adult Tricycle Bike, Mens and Womens Three Wheel Beach Cruiser, 26-Inch Wheels, Low Step-Through Frame, Wide Seat, Rear Folding Basket, Single-Speed, Black : Sports & Outdoors
First Look: Transition Bikes Triple - Core Bike 2016 - Pinkbike
Triple Triangle Bikes Pros and Cons - YouTube
Bunch Bikes | Electric Cargo Bikes | Front Load Family 3-Wheel Trikes
Bicycles built for three, bicycles built for four, bicycles built for five, 3 person bike