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-   -   Bike Too Big? (https://www.bikeforums.net/singlespeed-fixed-gear/167193-bike-too-big.html)

davesal227 09-30-09 09:46 AM

Thanks everyone for your responses! I did the inseam and it works out to a 55cm! so maybe I can work this bike out with a shorter stem!


Originally Posted by Loose Chain (Post 9763924)
The sportier the bike, the smaller the frame size IMO. I am 5-10/11 with a 33 inch cycling inseam (85cm) and I was sized long ago at a clinic that had expert cycle coaches etc and they wanted me on a 56 to 57 frame, center to top. I prefer the 56 frames but on a long distance bike where ride is a concern I like the 57 size. Seat post extension depends somewhat on the frame size, my wife on her little roadie does not have nearly as much extension on her seat as I do yet her bike is a great fit for her, it is just a little bitty thing.

This link has the same formulas I have always seen for the last twenty or so years.

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

People who are short torsos or long arms or short legs, other variables obviously compromises have to be made somewhere. With all that, I want one of those Kilo TT and I simply cannot decide between a 53 and a 55, lol.

This quote is important:

"saddle height will be within a centimeter of .883 x inseam length"


This puts me at a saddle height of 75cm from center of crank to top of saddle measured along the seat tube. It should be the same regardless of the bike, mountain bike, touring bike, whatever, it should be close.


i saved latin 03-10-10 10:40 AM

wow im glad i found this thread.
this has been bothering, me about my kilo. im about 6'1 or 6'2 and i have a 57cm kilo. im wondering if this is too big. at the time i bought it i knew they ran big.but didnt know how big. i now went back to bd and saw they have a chart. and i ususally ride a 58. i have a 31.5 or 32 inseam. so it shows i should have got a 55. so my question is my bike overly too big? i got a short stem to try and fix the problem and got about a fist of seat post and have about an inch between my "area" and top tube.

i mean i ride it and it dont bother me. but im wondering if its big enough problem that i should start looking at bike island for a frame slightly smaller. and change everything over. cause i like the bike alot, im just wondering if me switching stem and stuff kinda evened out the too big problem. and so would me buying a 55cm frame be noticable to how i got it set up right now.

i just want others opinions on the situation.

monsterkidz 03-10-10 11:09 AM

I'm 6'2" and felt that the 57cm Kilo was a little too small for me.
Arm, torso & leg length all come into play when figuring out bike size.


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