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  1. #1
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    Identifying bike

    Hi,

    I purchased a used bike and I was curious as to how I can identify the year the bike was built.

    It is in great condition with the only problem that I found so far is that when the bike is in gear 3 (biggest sprocket) in front and 7 in rear (smallest sprocket) that the pedals skip sometime when paddling too hard. Is this a normal occurrence? If not, could this be a potentially bad problem? I got it for around 150 so I am hoping that was a good deal for it. Its silver in color and the writing on it (giant and cypress) are in cursive.

    Any thoughts?


    Thanks!
    Last edited by infinitbelt; 07-16-09 at 12:29 PM.

  2. #2
    Shop Wench
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    Quote Originally Posted by infinitbelt View Post
    gear 3 (biggest sprocket) in front and 7 in rear (smallest sprocket) that the pedals skip sometime when paddling too hard. Is this a normal occurrence?
    No!

    Quote Originally Posted by infinitbelt View Post
    If not, could this be a potentially bad problem?
    It could be any combination of:

    1) worn chain
    2) worn cassette
    3) out of adjustment rear derailleur
    4) old and not freely moving shift cable

    All are easy and relatively cheap to fix.

  3. #3
    Older than dirt CCrew's Avatar
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    Try Bikepedia. Just start scrolling through the years until you find a match.

  4. #4
    The Improbable Bulk Little Darwin's Avatar
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    You can also decipher the date codes on the components (for example derailleurs).

    One source for the info is vintage-trek.com

  5. #5
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    Quote Originally Posted by laura* View Post
    No!



    It could be any combination of:

    1) worn chain
    2) worn cassette
    3) out of adjustment rear derailleur
    4) old and not freely moving shift cable

    All are easy and relatively cheap to fix.
    How could I determine what is causing the problem? Should I take it to a bike shop for inspection?

    Thanks!

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