An older man is riding a bike with a blue laundry hamper full of clothes on his handlebars.
An old man is riding a bike with a blue laundry hamper that is full of clothes on his handlebars.
" older man is riding a bike " is a rephrasing of " old man is riding a bike ".
Answer: The old man is riding a bike that is full of clothes.
An older man can be an old man.