Originally Posted by
Knivez
I'm building a fixie right now and i was wondering what the appropriate size (in cm) is for a person 6'0".
competitivecyclist.com has a fit calculator to get you in the ballpark. I suggest you get fitted at a LBS that does it a lot. Serotta has a course to get certified at bike fitting; if the LBS has that, you're good to go. SheldonBrown.com has articles and links on bike fitting; good stuff to read.