a person riding a bicycle a helmet a bicycle frame two wheels handlebars a seat pedals a chain reflectors and/or lights
bicyclist which is a person riding a bicycle bicyclist which is a helmet bicyclist which is a bicycle frame bicyclist which has two wheels bicyclist which has handlebars bicyclist which is a seat bicyclist which has pedals bicyclist which is a chain bicyclist which has reflectors and/or lights