Originally Posted by unkchunk

I have a pair of Freddy Fenders on my hybrid. They work. They haven't cracked and the mounting hardware is still holding after about one year. I think their mud flaps are more for "looks" than "works". But all mud flaps seem to have that problem and it's better to make your own.

http://www.phred.org/~alex/bikes/fendermudflap.html
http://www.mgagnon.net/velo/garde-boue.en.shtml