How to assemble Dream Bike Tricycle Conversion Kit "English version" - YouTube
Black Trike Conversion Kit for 24 inch Bicycle Comes with Two Chrome 24 inch Hollow-Hub Steel Wheel 36 Spoke. Tricycle, Trike, three-wheel bike conversion kit - Walmart.com
Chrome Trike Conversion Kit for 26 inch Bicycle. Comes with Two 26 inch Hollow-Hub Steel Wheel 36 Spoke. Tricycle, Trike, three-wheel bike conversion kit - Walmart.com