How do I know that my current bike is right size

Discussion in 'Beginners' started by Andrius.B, 15 Jul 2012.

  1. Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    This might be a bit of a silly question, but is there any way to know if my current bike is the optimal size for me without having access to other size bikes to try for comparison?
    It feels OK, but according to the bike frame size chart, it is supposed to be 5 cm too small for me (my frame is 49cm, when I am 5 foot 8 inches and supposed to ride 53-54cm). The strange thing is that it feels good.
    Anyone willing to shine some light onto this? :smile:
     
  2. officially - it sounds too small. Something like a 52 might be more appropriate. But without seeing a pic of you riding, it is impossible for anyone to say for certain.
     
  3. If it feels OK it is the right size. You can adjust a smaller frame easily if need be anyway; put the seat up to gain efficiency or lengthen the stem if you feel you are too compact.
     
  4. Hacienda71

    Hacienda71 Mancunian in self imposed exile in leafy Cheshire

    Location:
    Wilmslow, Cheshire
    A small frame can be made to fit a larger rider by using longer and different angled stems along with showing more seatpost. Inside leg measurement and torso and arm length are of importance as well as height. All that said a 49cm does sound small for someone of your height with fairly standard dimensions.
     
  5. OP
    OP
    Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    Actually, the stem is lengthened. The seat is also set a bit back, and is at a height at which my leg is fully extended and locks when I place the heel on the pedal.
    I guess I just have to come over the psychological side of riding a smaller frame. :smile:
    But then on the other hand, I have never tried to ride a 53 cm frame, so even if it was better I wouldn't know.

    HLaB, you must be right: if it feels right it is right.
     
  6. biggs682

    biggs682 Smile a mile bike provider

    Location:
    Northamptonshire
    if it feels right then why worry
     
  7. OP
    OP
    Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    I am a melancholic perfectionist (unfortunately) - I worry too much about things I shouldn't, spend too much time researching and too little time actually doing stuff ;)
     
  8. biggs682

    biggs682 Smile a mile bike provider

    Location:
    Northamptonshire
    oh dear so how do you know when its perfect
     
  9. perfectionists know that nothing is perfect...
     
  10. cyberknight

    cyberknight Wibble

    Location:
    Land of confusion
    Is it a 49 cm sloping top tube or 49 cm measured to where the seat tube would meet the top tube assuming the TT was level ?
    manufactureres measure differently and different frames have different TT lengths depending on what sort of riding the bike is aimed at.
    Why not pop to a bike shop and do some window shoppingand try some for size ?
     
  11. OP
    OP
    Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    Usually I am never fully satisfied with anything.

    Anyway, thanks for the comments.
    I will make an effort to actually find a bike of my theoretically correct frame size and see if there is any difference.
     
  12. OP
    OP
    Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    Its a 49cm sloping toptube design frame. Says 49cm on the frame sticker.
     
  13. cyberknight

    cyberknight Wibble

    Location:
    Land of confusion
    Yes but do kona do real or virtual seat tube length , easy way to tell is to measure to the centre of the top tube along the seat tube from the centre of the BB, interestingly the TT length is 535 mm, my "right size " road bike has a TT length of 540 cm and i am 5 foot 7 " so not a lot in it
     
  14. OP
    OP
    Andrius.B

    Andrius.B Active Member

    Location:
    Bristol
    So basically, different manufacturer frames of "same" indicated size might actually be quite different practically? Interesting... I will definitely do some more reading on this.
     
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