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Thread: Seatpost Size

  1. #1
    Donating member Bike Collector's Avatar
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    Seatpost Size

    Does anyone know what size seatpost a 2001 Homegrown Limited would use? I currently have a 26.8 in it, but am very suspicious. Schwinn's website is being funky.

    Thanks,

    BC

  2. #2
    Gordon P
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    The great cycling sage Sheldon seatpost Brown has a big page dedicated to seatposts.

  3. #3
    Donating member Bike Collector's Avatar
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    Alas, my frame is not listed on Sheldon's page. It will be when I find out.

  4. #4
    Oh God, He's back! 1oldRoadie's Avatar
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    Find a local wholesale tool place and buy a cheap micrometer ($3USD)...this will answer all those nagging questions
    I can't ride and Frown!

  5. #5
    Zippy Engineer Waldo's Avatar
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    Should be a 26.8 but I'll find out for sure tomorrow. I know my 97 and 98 were and think they all were.

  6. #6
    Mr. Cellophane RainmanP's Avatar
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    A year and a half or so ago I built up a bike on a non-branded but very standard Tange steel frame. I tried the seatpost from my old Bianchi which was clearly marked 26.8, a pretty standard size for steel frames. I could get it in but only with difficulty. So I tried an inexpensive 26.6 mm ATB stem from Nashbar. It worked like a charm. Then one day I wanted to move the mounting block for my Carradice SQR bag from the new bike to the Bianchi. Since the removing the block requires pulling the seatpost, it was quicker just to move the whole thing, seatpost, block and saddle, from one bike to the other. It was a couple of days before I realized that I was using a 26.6 mm seatpost in a seat tube that usually takes a 26.8. It fit securely and clamped just fine. I now have the same model and size seatpost on 4 older steel frame bikes, all three of which I'm pretty sure take 26.8. In several thousand cumulative miles on these 4 bikes the seatpost has never slipped. My point? If your 26.8 feels too snug, try a 26.6. two tenths of a millimeter is a PRETTY tiny difference, but it can mean the difference between a nice fit vs almost having to pound in the "right" size.
    YMMV,
    Raymond
    If it ain't broke, mess with it anyway!

  7. #7
    Donating member Bike Collector's Avatar
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    Thanks for the info. The problem is, the seatpost has always squeaked since the bike was built. I used the seatpost off my 99 Homegrown. I've done all the usual tricks, cleaning the post and greasing it. This is why I'm suspicious. I think the 26.8 might be a little small.

  8. #8
    Dances with Rocks Dirtgrinder's Avatar
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    The reason I'm "suspicious" is because you can rock his seatpost back and forth about this far. But he doesn't believe me.
    If everything seems under control, you're just not going fast enough...

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  9. #9
    Donating member Bike Collector's Avatar
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    I've never quesitoned Dirtgrinder's authoriTIE (because he knows everything, just ask him ). I'd just like to know what size it should be.

  10. #10
    I ride a REAL Schwinn!
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    I run a 28.6 on the my Schwinn Moab frame, and I believe it was the same on my really old Mesa. Don't know that you will find much on the Schwinn site now that they were bought out. Many of the names of Schwinn bikes before the buy-out have been applied to cheap Schwinn branded FS bikes or other designs. Your best bet would be to wait and see if anyone else here uses the homegrown frame.

    -Moab
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  11. #11
    Zippy Engineer Waldo's Avatar
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    Sorry, I WILL find out tomorrow. It's entirely possible that they went to a 27.2 when Yeti stopped making them for Schwinn. My catalog doesn't give the size but we've got one at the shop.

  12. #12
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    my 01 moab is 26.8 but sorry not much help there.
    i won't deny it i'm a straight ridah

  13. #13
    Zippy Engineer Waldo's Avatar
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    It is most definitely a 26.8.

  14. #14
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    See if you can insert the seatpost with a paper wrapper. If so it is too thin.

    email schwinn.

    Pay a local LBS to figure it out. If they are good they have a special tool that does it.

    Buy a cheap 27.0mm off ebay, that will settle it.

    It may be possible that the radius of the cheapy tubing is variable so there is no right size.
    2000 Montague CX, I do not recommend it, but still ride it.
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    Quote Originally Posted by 1oldRoadie
    Find a local wholesale tool place and buy a cheap micrometer ($3USD)...this will answer all those nagging questions
    Or if $3 is beyond your budget, find a LBS with a seatpost sizing device. Looks like a big tapered metal stake with the sizes in rings on the side of the thing. Put it down the seattube and find out what size it takes!

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