tandem bicycle
two sets of pedals two seats two handlebars two sets of wheels two sets of brakes a frame connecting the two sets of wheels a chain connecting the two sets of pedals
tandem bicycle which has two sets of pedals tandem bicycle which has two seats tandem bicycle which has two handlebars tandem bicycle which has two sets of wheels tandem bicycle which has two sets of brakes tandem bicycle which is a frame connecting the two sets of wheels tandem bicycle which is a chain connecting the two sets of pedals