An older man is riding a bike with a blue laundry hamper full of clothes on his handlebars.
A man is on his bike with a laundry hamper.
An older man implies a man, and riding a bike implies the man being on his bike.
CLOTHES ARE WASHED BY LAUNDRY
A man riding a bike with a laundry hamper full of clothes on his handlebars so that he can't to turn the bike safely.