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Old 07-11-09, 03:53 PM   #1
infinitbelt
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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 11:29 AM.
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Old 07-11-09, 07:39 PM   #2
laura*
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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.
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Old 07-11-09, 08:33 PM   #3
CCrew
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Try Bikepedia. Just start scrolling through the years until you find a match.
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Old 07-11-09, 09:16 PM   #4
Little Darwin
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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
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Old 07-13-09, 10:12 PM   #5
infinitbelt
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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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