Originally Posted by
smoothness
For mountain bikes, you measure the top tube center to center, and the seat tube center to top. The units are usually stated in English, but CM/MM is fine. I'm interested depending on the size. I've three different mixte frames/parts that can be made into a bicycle.
She is over at the bike shop, (new cables and housing, chain, headset, and a couple minor upgrades. I don't have anywhere to work on it, and a motherless bag of slime "borrowed" my tools without asking) I'll stop in today and measure it.