Look for pictures of hipsters riding fixed gear/single speed bicycles.  That is HUGE in hipster culture.  They employ outrageous color schemes, spoke cards, all on single speed or fixed gear bikes. Seriously, if you want to see what modern hipster culture looks like google "fixed gear bikes".  Here is a sample: 

 http://gothamist.com/attachments/nyc_daveh/fixed.jpg 
 http://farm3.static.flickr.com/2043/2072834732_f49c46f094.jpg 
 http://www.complex.com/blogs/wp-content/uploads/2007/04/49x16.jpg 

 ALL hipsters riding fixed gear bikes.  VERY trendy stuff.