radio flyer big flyer sport trike, red radio flyer radio flyer big flyer sport trike, red: the big flyer sport is the performance trike designed to be your child's favorite new ride! the big flyer sport is a chopper-style tricycle with sleek racing design. it features a large 16-inch front wheel and an adjustable seat that will grow with your child. it comes complete with chrome handlebars and a removable racing pennant for added visibility and safety.