Trike Conversion Kit For Bicycles With 36 Spoke Heavy Duty Hubs
KIT DE CONVERSIÓN DE TRICICLO TRICICLO PARA ADULTOS DE 20""-24""-26"" 1 VELOCIDAD 5/8 EJES MARCO NEGRO | eBay
Amazon.com : Black Trike Conversion Kit for 20 inch Bicycle. Comes with Two 20 inch Hollow-Hub Steel Wheel 36 Spoke. Tricycle, Trike, Three-Wheel Bike Conversion kit : Sports & Outdoors
RCC/PBE15: Cruzbike Shows Prototype Leaning Trike Conversion, Carbon Seat Box for Front Wheel Drive Recumbents - Bikerumor