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  1. #1
    Senior Member BianchiDave's Avatar
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    Bike sizing help needed ASAP!

    So I have been trying to sell or trade (prefer trade) my Bianchi Castro 58(cm) bike for a smaller (cm) bike. I happen to come across a bike shop (3 hours from my house) that has the exact same Bianchi Castro in a 49cm (new). I called them up and they said they would trade me straight up bike for bike.
    My question is; I’m 5’6’ with (I believe) a 30 or 29 ˝ inseam, would a 49cm be too small?

    (My use for this bike is mainly commuting and a weekend stroll with my sons attached bike (which also clearly showed me the 58(cm) was way too big.)
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  2. #2
    Senior Member canyoneagle's Avatar
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    According to this http://www.bianchiusa.com/607.html the standover for the 49cm is 29.8" with stock tires.

    looks like a good match to me.

  3. #3
    Senior Member BianchiDave's Avatar
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    I'm a dumb a$$ I didn't think about looking on the Bianchi website for the sizing (and I call myself BianchiDave?)

    Thank you
    www.bikefree.org
    "There are few things that you can't do as long as you are willing to apply yourself." -Greg Lemond

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  4. #4
    Older than dirt CCrew's Avatar
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    Quote Originally Posted by BianchiDave View Post
    I called them up and they said they would trade me straight up bike for bike.
    Good deal. The 49 is a hard size to sell, they'll move a 58 quickly.

    As to whether it'll fit you won't know until you ride it, but I'd say it has promise.

  5. #5
    bicycle love affair aoeuhtnsi's Avatar
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    it's better to go smaller than too big. i'm about the same height as you. i ride a 52cm most comfortably, but if i had to chose, 49 is much better than 58. check the top tube length if you go for the 49.

  6. #6
    Senior Member Grim's Avatar
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    Quote Originally Posted by aoeuhtnsi View Post
    it's better to go smaller than too big. i'm about the same height as you. i ride a 52cm most comfortably, but if i had to chose, 49 is much better than 58. check the top tube length if you go for the 49.
    Funny but I find the opposite is true. My optimum size is a 61cm. I have had a few 58cm and most I have to have the seat all the way out to ride and then the bars are lower then I like and starts giving me back aches. Vintage bikes rarely have enough seat post in a 58cm for me to get a proper seat height. I started picking up 63cm bikes because of the better to me seat to bar height. I look for the tallest bikes I can flat foot without being hard on the bar. Correcting the reach with a short stem is easier (and aesthetically better looking) then tall stems and offset seat posts.

    Dave see if they will let you take it out for a 20-30 minute ride to be sure you are going to be happy with it.
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