Bike Frame Size
Looking for a road frame, I hope! That's a BIG frame. I am 6'2 and ride a 58- 60 cm road frame, depending on the maker and geometry. If youre looking road frame to use primarily in tris with aero bars, go with a slightly smaller size. Aero bars will stretch you aout a little further, and that gets dangerous when you are Superman-ing down a road.
Life is short. Play hard and get dirty doing it.
The best thing I can tell you is that you know what ballpark you're in but the only way to tell is to go get on a bunch of different frames, they will all fit differently. When I was bike shopping I found that I fit anywhere from 52 - 56 cm depending on the bike make.
I changed my mind (well just didn't get the bike i was planning on) and now am looking at a 59cm frame which should be a more comfortable fit.
59cm on one bike is not 59 cm on another. Also there's more to it than inseam. The ratio of your torso and arms to your legs will affect bike fit. You really have to try them. And better yet get a professional bike fit. The key to going fast on the bike is an aero position. Getting the right bike fit will facilitate getting an aero position that is comfortable enough for you to maintain, and produce power.
BEFORE YOU BUY A BIKE (sounds like you are looking on ebay or for a used bike somewhere)
YOU SHOULD DEFINATELY GO TO A LOCAL BIKE STORE AND RIDE SEVERAL SIZES..
(if you don't know alot about bikes and frames and components, don't buy used.. get a new bike with a warranty and the backing of a local bike store)
my opinion anyway..
As Iron sharpens Iron, so one man sharpens another. proverbs 27:17
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Ditto on the ride several sizes comment. Every manufacturer seems to measure them differently.
I'm 6'2" and have a 34.5 inseam. My road bike is a 59.2 cm semi-compact frame (Blue) and my tri-bike is a 58 cm (Cervelo). I once had a 61 cm Derosa that was way too big.
Back when I was growing up in the 70s the common thing to do was to get the biggest bike you could fit on. I remember my Schwinn Traveler being huge with only and inch or two of seatpost extending out of the frame. The bigger frames would tend to be heavier and a more flexible. You still see some of these bikes around being ridden by guys my age. Not a bad thing in some circumstances. My Derosa was a wonderfully comfortable bike for long distance riding but it really didn't climb well.
I'm assuming that you're looking for a bike to do triathlons on. Something fast, light, and responsive. Thus I'd recommend going with the smallest bike that you comfortably FIT on. But not too small. I've raced guys my size in criterium races who were on 54 cm frames. Not good for long distance riding or training.
The smaller frames have less flex and are lighter. This equates into better on the hills and faster on the sprints. At least that has been my experience.


I've tried to do a little research about how big of a frame I should buy when purchasing a bike. I found a bike I like with a frame size of 62cm. I've measured my in-seem and it came out to roughly 88cm's without shoes. If i'm doing my math right this comes out to 34.6 inches. So with shoes i'd probably be a little over 35 inches. From what i've read I should be on the shorter end of someone that can ride a 62 cm frame. Am i correct in thinking this?