Ok, first there was the immensely popular and hilarious, stuffwhitepeoplelike.com. Take a look at this blog, in case you had any doubts, or need a good laugh.
“Riding a bicycle has become fashionable for extreme liberals known as â€˜Bohemiansâ€™ or â€˜Hipstersâ€™. These hipster cyclists can often be seen with their right pant leg rolled up. This fashion statement is the equivalent of a pierced right ear (theyâ€™re gay). Hipsters enjoy riding their bikes to useless, liberal arts courses and head shops.”
Read more here.