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  1. #1
    Junior Member
    Join Date
    Jan 2012
    Location
    Chicago
    My Bikes
    MTB: 1999 Schwinn Yeti Homegrown, Commuter: 1969 all orig. Schwinn Racer w/ B66
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    Pre- '68 brown Schwinn Girls collegiate

    Trying my darndest to date this bike, but I'm having trouble. It has the circle crankset, 5 speed, and brown. I cant find a serial # anywhere, its not where my racer # is, by the rear wheel.

    Any ideas how I can date it?
    Last edited by Apie; 08-29-12 at 02:05 PM.

  2. #2
    Senior Member King of Kadence's Avatar
    Join Date
    Apr 2004
    Location
    sf
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    Ashtabula cranks have the date stamped on them. You'll need to remove it to see it.

    Post a pic of the bike.

    Sierra brown is about a 68 to about 73 color for schwinn.

  3. #3
    Senior Member
    Join Date
    Apr 2006
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    If you post the serial number and its location it is very easy to know the date the frame was made. If the number is on the head tube it is mid 1970 or newer and if it is on the left rear drop out it is mid 1970 or older. This site http://www.angelfire.com/rant/allday...innCodes1.html will define the frame build date even further. Roger

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