Poll: Bike experts, what size frame is this?

edro

Lifer
Apr 5, 2002
24,326
68
91
This KHS Flite 500 is on eBay, but the lady says she can't find the bike size on it anywhere.
eBay Pic

What size do you think it is from the picture?

I could email and ask her to actually measure the center post I guess.
 

trOver

Golden Member
Aug 18, 2006
1,417
0
0
if the sizes refer to only adult sizes, i would say a M or L

if it was kid-adult sizes, i would say L or XL
 

edro

Lifer
Apr 5, 2002
24,326
68
91
Originally posted by: Dirigible
I can tune a derailleur, overhaul a suspension fork, and build a wheel, but I'd put no stock in my guess at the size of that bike.

Look up the KHS geometry for that frame. Have the seller measure a dimension or two get a more certain size determination.

I did step one for you: http://www.khsbicycles.com/PDF...ame_Geometry_Flite.pdf
Thanks!
I actually just sent her another email and asked her to measure the top bar, and gave her the dimensions in inches of the choices for S, M, L, XL.

Hopefully she can do it.
 

Dirigible

Diamond Member
Apr 26, 2006
5,961
32
91
Originally posted by: edro
Originally posted by: Dirigible
I can tune a derailleur, overhaul a suspension fork, and build a wheel, but I'd put no stock in my guess at the size of that bike.

Look up the KHS geometry for that frame. Have the seller measure a dimension or two get a more certain size determination.

I did step one for you: http://www.khsbicycles.com/PDF...ame_Geometry_Flite.pdf
Thanks!
I actually just sent her another email and asked her to measure the top bar, and gave her the dimensions in inches of the choices for S, M, L, XL.

Hopefully she can do it.

Good luck!
 

JulesMaximus

No Lifer
Jul 3, 2003
74,550
940
126
It's kind of hard to tell with those compact geometries. I prefer traditional geometry and I ride a 56cm bike.
 

alkemyst

No Lifer
Feb 13, 2001
83,769
19
81
Also how long is your inseam...that's important too once you get the top tube height. 17.5" is a frame size that pretty comfortable to many average height dudes...with tires on should come comfortable a few inches below your nutz at a stop :). Roadies (and the real reason Armstrong is 'one short') tend to need ladders though so YMMV if that's what you are looking for.
 

LS21

Banned
Nov 27, 2007
3,745
1
0
looks like M/56 in my eyes

i almost underestimate sizes, so that could very well be 58
 

Capt Caveman

Lifer
Jan 30, 2005
34,543
651
126
Originally posted by: alkemyst
Also how long is your inseam...that's important too once you get the top tube height. 17.5" is a frame size that pretty comfortable to many average height dudes...with tires on should come comfortable a few inches below your nutz at a stop :). Roadies (and the real reason Armstrong is 'one short') tend to need ladders though so YMMV if that's what you are looking for.

Obviously, you know nothing about bikes (remember your track-stand crap).

First, you have top-tube confused with seat-tube. And road bikes are measured using cm not inches.

Second, measuring one's fit to a frame is different for a mountain bike vs a road bike. Most road bikers don't need a ladder and need a lot less clearance standing over the top-tube than a mountain/hybrid bike.
 

Safeway

Lifer
Jun 22, 2004
12,075
11
81
Based on some rough ratios, I think it is a 57cm or 58cm.

Method: The wheels should be ~26". If you measure the picture, the scale is 2" = 26". If you then measure from the bottom bracket to the top of the seat tube, is is 1 3/4". (7/8)*(26") = 22.75" = 57.8cm. Very rough way to calculate it, but it is all I can offer.
 

alkemyst

No Lifer
Feb 13, 2001
83,769
19
81
Originally posted by: Capt Caveman
Originally posted by: alkemyst
Also how long is your inseam...that's important too once you get the top tube height. 17.5" is a frame size that pretty comfortable to many average height dudes...with tires on should come comfortable a few inches below your nutz at a stop :). Roadies (and the real reason Armstrong is 'one short') tend to need ladders though so YMMV if that's what you are looking for.

Obviously, you know nothing about bikes (remember your track-stand crap).

First, you have top-tube confused with seat-tube. And road bikes are measured using cm not inches.

Second, measuring one's fit to a frame is different for a mountain bike vs a road bike. Most road bikers don't need a ladder and need a lot less clearance standing over the top-tube than a mountain/hybrid bike.

I was being funny about the roadies. Obviously I was right, their nuts are always in a bunch. Get a life man.
 

imported_Baloo

Golden Member
Feb 2, 2006
1,782
0
0
Originally posted by: alkemyst
Originally posted by: Capt Caveman
Originally posted by: alkemyst
Also how long is your inseam...that's important too once you get the top tube height. 17.5" is a frame size that pretty comfortable to many average height dudes...with tires on should come comfortable a few inches below your nutz at a stop :). Roadies (and the real reason Armstrong is 'one short') tend to need ladders though so YMMV if that's what you are looking for.

Obviously, you know nothing about bikes (remember your track-stand crap).

First, you have top-tube confused with seat-tube. And road bikes are measured using cm not inches.

Second, measuring one's fit to a frame is different for a mountain bike vs a road bike. Most road bikers don't need a ladder and need a lot less clearance standing over the top-tube than a mountain/hybrid bike.

I was being funny about the roadies. Obviously I was right, their nuts are always in a bunch. Get a life man.


Yeah that was rude, and he was wrong in what he said anyways. In the US, bikes can be purchased in either inches or centimeters, Depends whether it a US made bike or an import, nothing to do with the type of bike. And frame size is not just a measure of the tob tube length, as he implies, but also the height of the top tube relative to the center of the crank, so you were just as accurate as he was. And you are correct about road bikes; quite a lot of roadies ride nut busters. His humor sensor was missing the day he left that post.
 

Capt Caveman

Lifer
Jan 30, 2005
34,543
651
126
Originally posted by: Baloo
Originally posted by: alkemyst
Originally posted by: Capt Caveman
Originally posted by: alkemyst
Also how long is your inseam...that's important too once you get the top tube height. 17.5" is a frame size that pretty comfortable to many average height dudes...with tires on should come comfortable a few inches below your nutz at a stop :). Roadies (and the real reason Armstrong is 'one short') tend to need ladders though so YMMV if that's what you are looking for.

Obviously, you know nothing about bikes (remember your track-stand crap).

First, you have top-tube confused with seat-tube. And road bikes are measured using cm not inches.

Second, measuring one's fit to a frame is different for a mountain bike vs a road bike. Most road bikers don't need a ladder and need a lot less clearance standing over the top-tube than a mountain/hybrid bike.

I was being funny about the roadies. Obviously I was right, their nuts are always in a bunch. Get a life man.


Yeah that was rude, and he was wrong in what he said anyways. In the US, bikes can be purchased in either inches or centimeters, Depends whether it a US made bike or an import, nothing to do with the type of bike. And frame size is not just a measure of the tob tube length, as he implies, but also the height of the top tube relative to the center of the crank, so you were just as accurate as he was. And you are correct about road bikes; quite a lot of roadies ride nut busters. His humor sensor was missing the day he left that post.

Please go into any bike shop and find a road bike measured in inches. I'm guessing you buy your bikes from Walmart.

Do you know what a top tube is? You're talking about the seat tube. And geometry is important but based on the buyer, it's going to be a non-factor.

Rude. You obviously don't know alkemyst or read his posts.
 

alkemyst

No Lifer
Feb 13, 2001
83,769
19
81
Originally posted by: Capt Caveman
Rude. You obviously don't know alkemyst or read his posts.

Right....so just disagree with every post of mine 'cause you are just so motherfucking hard. You do realize the few of you that constantly ride my ass just look like 'morans' to everyone else here...but carry your torch high.

When I was referring to the top tube I was not referring to its length. My post stated it's 'height', I also was talking in general and not getting into bike specifics.

Now run along and try to play nice.
 

GoSharks

Diamond Member
Nov 29, 1999
3,053
0
76
Originally posted by: Baloo
Yeah that was rude, and he was wrong in what he said anyways. In the US, bikes can be purchased in either inches or centimeters, Depends whether it a US made bike or an import, nothing to do with the type of bike. And frame size is not just a measure of the tob tube length, as he implies, but also the height of the top tube relative to the center of the crank, so you were just as accurate as he was. And you are correct about road bikes; quite a lot of roadies ride nut busters. His humor sensor was missing the day he left that post.
My Made in USA Cannondale road bike is measured in CM. CM versus inches has everything to do with they type of bike. All the top manufactures of road bikes, Made in USA or otherwise, (Cannondale, Trek, Specialized, Bianchi, Giant, etc) are all sized in CM.

I challenge you to find a mainstream, current, road bike (no Target or custom bikes) that is primarly sized in inches.