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  1. #1
    Senior Member eddiebrannan's Avatar
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    I have been living a lie

    I am having a bicycle frame made for me, so to confirm the actual measurements of my current bicycle—which i had been led to believe was a 53cm—i broke out the tape measure, and was staggered to find that all this time i have been riding a bicycle with a 50cm c-t seat tube!

    I am smaller than I thought.

  2. #2
    MADE IN TAIWAN wangster's Avatar
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    what builder? if you say johnny coast I'm gonna kick you.
    "Oh, I see. Running away, eh? You yellow bastard. Come back here and take what's coming to you. I'll bite your legs off."

  3. #3
    keep it pretend visitordesign's Avatar
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    was it a pista? i learned the same thing when measuring to check geometry for a custom.

  4. #4
    roll'em high shants's Avatar
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    well, they might not have been lying. when people give holistic measurements, they don't necessarily refer to seat tube or whatever else.

  5. #5
    Senior Member eddiebrannan's Avatar
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    Quote Originally Posted by visitordesign
    was it a pista? i learned the same thing when measuring to check geometry for a custom.

    yes it is. tell me what happened with yours please

  6. #6
    Senior Member eddiebrannan's Avatar
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    Quote Originally Posted by shants
    well, they might not have been lying. when people give holistic measurements, they don't necessarily refer to seat tube or whatever else.

    well in a dozen plus years of owning and riding and buying bikes i've always taken the number to refer to seat tube length

  7. #7
    make way for the MGL MLPROJECT's Avatar
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    who's making your new frame short stuff?

  8. #8
    J.A.M Jamtastic's Avatar
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    i got paranoid and just measured my 57cm pista and it measured 56 c-t so no big surprise there

  9. #9
    keep it pretend visitordesign's Avatar
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    it was supposed to be a 57 and was *almost* a 55. it always felt small--because it was. i wondered why i needed an extra long thomson seatpost for a bike that was supposed to be my size.

    my jackson is a 58, which should be much better when it gets here.

  10. #10
    keep it pretend visitordesign's Avatar
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    Quote Originally Posted by Jamtastic
    i got paranoid and just measured my 57cm pista and it measured 56 c-t so no big surprise there
    i wonder if they mis-decal them sometimes. i guess it's possible.

  11. #11
    J.A.M Jamtastic's Avatar
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    wierd visitor. Mine measures just about perfectly 56 c-t... i thought these were mass produced?

  12. #12
    keep it pretend visitordesign's Avatar
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    Quote Originally Posted by Jamtastic
    wierd visitor. Mine measures just about perfectly 56 c-t... i thought these were mass produced?
    they are, which maybe lends itself to errors with things like decals? i don't know... the person helping me suss out my geometry was as surprised as i was to realize such a big difference.

    i wonder if anyone other than eddie and i have the same issue?

  13. #13
    Senior Member eddiebrannan's Avatar
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    yeah mine's always looked and felt small to me. now i know why

  14. #14
    dc pirate, 4evah. chimblysweep's Avatar
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    don't let the BB drop screw you up. Some people tag Pista's with a 'feels like' size, since they're sold in stores next to road bikes to people who wouldn't understand why they suddenly need a 50 instead of a 53.

    track bikes have ~6cm of bb drop instead of a 8cm road or 10cm touring frame drop. that means that to get the same standover as a 53 with 8cm of drop, you need a 51.

    instead of freaking out customers, they just fudge the sizing.

    it's like, i ride a ~51 road bike, but my 49 3rensho fits great and the 47.5 3rensho is surprisingly close to fitting me. I expected a 47.5 to feel tiny, but add 3cm to that for the high bb clearance, and there you go.

  15. #15
    while my car gently weeps kennethalan's Avatar
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    shrimp.

  16. #16
    roll'em high shants's Avatar
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    are the other measurements that bianchi gives on their website (bianchiusa) correct or are all of them of a 50/51? it'd be interesting to see if it's a problem with labelling or if the factory just doesn't have very good quality control.

  17. #17
    while my car gently weeps kennethalan's Avatar
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  18. #18
    keep it pretend visitordesign's Avatar
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    but the pistas have relatively high bottom brackets (which is actually one of the few things i like about them).

  19. #19
    Senior Member eddiebrannan's Avatar
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    Quote Originally Posted by chimblysweep
    don't let the BB drop screw you up. Some people tag Pista's with a 'feels like' size, since they're sold in stores next to road bikes to people who wouldn't understand why they suddenly need a 50 instead of a 53.

    track bikes have ~6cm of bb drop instead of a 8cm road or 10cm touring frame drop. that means that to get the same standover as a 53 with 8cm of drop, you need a 51.

    instead of freaking out customers, they just fudge the sizing.

    it's like, i ride a ~51 road bike, but my 49 3rensho fits great and the 47.5 3rensho is surprisingly close to fitting me. I expected a 47.5 to feel tiny, but add 3cm to that for the high bb clearance, and there you go.

    yeah i understand all that.

    this changes everything. i guess i need a 52/52 measured c-to-c on both top and down tubes.

    enlightening, because i'd been looking at larger bikes on e-framebank

  20. #20
    Senior Member eddiebrannan's Avatar
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    Quote Originally Posted by visitordesign
    but the pistas have relatively high bottom brackets (which is actually one of the few things i like about them).
    bb drop is measured from the axle to axle line, so less drop = higher bb

  21. #21
    dc pirate, 4evah. chimblysweep's Avatar
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    and Eddie, I don't think you're short at all.
    to you haters.

  22. #22
    Senior Member eddiebrannan's Avatar
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    Quote Originally Posted by chimblysweep
    and Eddie, I don't think you're short at all.
    to you haters.


  23. #23
    Radio Bemba 00.0 EnLaCalle's Avatar
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  24. #24
    MADE IN TAIWAN wangster's Avatar
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    your still avoiding the question, what builder? are you keeping it a secret?
    "Oh, I see. Running away, eh? You yellow bastard. Come back here and take what's coming to you. I'll bite your legs off."

  25. #25
    dc pirate, 4evah. chimblysweep's Avatar
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    Quote Originally Posted by eddiebrannan
    I am having a bicycle frame made for me, so to confirm the actual measurements of my current bicycle—which i had been led to believe was a 53cm—i broke out the tape measure
    eddie- without knowing who's building this rocketship, i gotta recommend you visit your builder if it's possible. it's one thing to send in measurements of your bianchi, but what if you're riding the wrong size right now? you should make sure to send at least your personal measurements with the Bianchi's.

    besides, i gotta tell you, it's awesome to have held my fork crown. you should visit your builder if only to fondle your lugs lovingly if you have the opportunity.

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