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Discussion Starter · #1 ·
I have a Trek 1980 400 series that I am restoring, the tires are in pretty good shape but do not hold air, I cant imagine they had tubeless in the 1980's, they are 27x1 1/8 can I throw a 700c tube in there?
 

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Discussion Starter · #3 ·
what i thought, thanks MT Road, its a presta, will a schrader fit as well?
 

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Discussion Starter · #5 ·
tires are pretty good shape, presta in there now, guess that means presta to replace
 

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The schrader valve might be to large for the valve stem hole in the rim. If it only fits the presta valve, you can drill it out with a 5/16" drill bit to make it fit a schrader valve.
 

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If the tires are from the 80s I would not trust them regardless of how they looked. In fact, I wouldn't trust tires that were much older than 6-7 years.
 

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MikesChevelle said:
tires are pretty good shape, presta in there now, guess that means presta to replace
You don't want to use Shrader valves anyway. They're a PITA with high-pressure road tires. The presta valve is designed for that use, and works much better.

For narrow road tubes, presta is easier to find, anyway, and usually cheaper.
 
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