Recumbent Trikes Suspension Trikes Trikes with one wheel in back, two in front and with suspension in the front, rear, or both. Rigid Trikes Trikes with one wheel in back, two in front and no suspension. Delta Trikes Trikes with two wheel in back and one in front. Heavy Duty Trikes Trikes that are stronger and are able to carry more weight than a standard trike.