Correct track bike size for me?

Hello, I'm 172 cm tall and have a 82 cm inside leg.

Do i need a 58cm frame? or have I miscalculated?

also, is it true that you need a slightly smaller frame when riding fixed? What sizes shuld i be ok getting? is there a perfect ideal size for me?

been wondering about this for a while...

too big.
I'm 177 and 86cm inside leg and ride at most a 56.
look for a 54 or 55, and aim for a similar top tube size, maybe slightly longer- top tube is more important imho

actually size is pretty complicated, as it is very personal. I like bikes to be a bit smaller.

Yep, I would say too big. I am 188cms with pretty long legs and I am riding a 58cm ( although this is very slightly too small for me - 59 would probably be ideal )

seems that the conssensus is that you ride a smaller frame, but im not entirely sure why, part of it is that with a higher bottom barcket the same size will give you a greater standover height for the same size frame, but im sure there are more reasons than that.

as far as sizing goes, that does seem a very large for you.

i'm 175 and have fairly long legs and arms, and ride max 56 on the street too, and that's still a bit too big for me.
The polo bike, which is 54, is ideal if i want comfort on the bike and to be a little more upright , i'd say go for this size.

On the track even more, as you have to go down to the drops, hence you definitely will be streched on a 56, not to mention 58.

58 i would say is massive for you

Have you used the fit calculator on the competitive cyclist website?

Actually, is there a fit difference between road bikes and track bikes? The CC calculator is for road bikes.

my current bike is 53, and i feel quite uncomfortable on it. It's too cramped in the legs, but then i feel too stretched in the arms on it. I have to have my seat quite high to get my legs straight-ish and i have to have the stem up higher so my reach isnt uncomfortable...

http://www2.bsn.de/Cycling/ergobike.html

then as ed says, take a little off due to the higher BB.

van just found these links to bike sizing, so you can do it yourself, lots of different sites
http://www.cyclemetrics.com/Pages/FitLinks/bike_fit_links.htm

if you've got the money £125-£150 just go to cyclefit in covent garden or mosquito in islington, and let them do the hard work, for a couple of hours, you'll get the exact dimensions for getting a bike built up from scratch as well as knowing the dimensions you actually are so you can adjust any bike (within reason) to you...

also there have been a couple of threads on sizing which you can peruse for info as well

Using the lemond method (88.3% of inseam length) your saddle height, from c of BB to top of saddle, should be around 72.4cm. With shorter cranks on some track bikes, that could be a little higher.

That method works for me (to within a few mm), and might be of use to give an idea of the amount of seat post you'd have showing for a particular frame size.

go smaller, i ride a 54 seattube and 53 top and thats tip top for me and im just a few centimeters taller

smaller frames weigh less and you can lower your stem to give it a racing feel. And with the saddle height just get a longer seatpin.

so i would recommend 54 for track, racing.
But otherwise for cruising and very upright positions a 56 is ideal.

eeerrmm...
I am reading the stuff in the links and wondering:
'inseam', is that from your nutsack and down (i.e. making it the inseam of your trousers), or from where the thigh meets pelvic bone/area and down?

"inseam" refers to the inseam of your trousers, surely?

eeerrmm...
I am reading the stuff in the links and wondering:
'inseam', is that from your nutsack and down (i.e. making it the inseam of your trousers), or from where the thigh meets pelvic bone/area and down?

Surely with a Prince reference, you should know all about inner thighs?

http://www.coloradocyclist.com/bikefit#inseam

Hello, I'm 172 cm tall

or have I miscalculated?

been wondering about this for a while...

Hmmmm... let me think... let me think
Hard to say luv...
Judging from our conversation last night, i think you've probably got it about right.

Anything else?

I would say same as a road bike. Standover height doesn't come into it for me. A smaller frame will generally have a smaller headtube which means a bigger saddle to bars drop as the distance from seat to bottom bracket will always be the same on any size frame.
So it could feel uncomfortable as the shorter top tube will be offset by larger drop whereas a longer top tube and lesser drop may feel better.
That is why it is best to try them out first...

Surely with a Prince reference, you should know all about inner thighs?
http://www.coloradocyclist.com/bikefit#inseam

Yep, the link you sent me suggests I "place a book ... between your legs ... and pull it up firmly into your crotch."
You're right.. with a Prince reference I should have known about the crotch firmness thing. Thanks!

That is why it is best to try them out first...

hard to try em out first if your looking at frames!
Anyway, I bought a 55cm frame. will see whether it fits when it's built i guess... hopefully the fact that i'll have my saddle lower down will mean I wont be feeling like i'm reaching too far for my handlebars...

im 195 and i ride a 61cm frame with a 110mm stem, i recommend for you 56/54

Hmmmm... let me think... let me think
Hard to say luv...
Judging from our conversation last night, i think you've probably got it about right.

Anything else?

I actually do think i miscalculated! what an eediot! i recon i'm more like 175cm, which makes me your post strangely well predicted.

I actually do think i miscalculated! what an eediot! i recon i'm more like 175cm, which makes me your post strangely well predicted.

and there was you thinking I was making a joke at your expense.
how very dare you!

alright Arnie, yep, well noticed. You obviously have a built in height calculator like the Terminator must have.

the answer is 7

the answer is 7

the answer is always 7 ;)

I was under the impression that inseam, when referring to bike fitting, was from groin to ground, while wearing your bike shoes.

Going by your inseam, I'd hazzard a guess at 55 (C-T).

The best way to judge without paying for a fitting, would be to borrow a bike from someone who has a 55/56 and compare it to what you have.

The most important measurement is the top tube length, which is very difficult to calculate. It is just as dependant on riding style and flexibility, as it is on height.