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Old September 6th 19, 11:42 PM posted to rec.bicycles.tech
AMuzi
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Posts: 13,447
Default Presta valve in a rim that was drilled for Schrader?

On 9/6/2019 5:30 PM, Joerg wrote:
Just received a new rear wheel. Despite being 700c and for
narrow tires the rim is drilled for a Schrader valve.
Couldn't believe it. Harumph, grumble. Why on earth ...
well, it is what it is.

I don't want to wait for some fancy adapter but I do not
mind making just about anything in the garage with hand
tools. My special thick tubes have Presta valves.

What should I use? Piece of plastic? Aluminum? Glue it in
place? Anything needed on the outside except maybe a washer?


In our experience it doesn't matter with any but the very
lightest/thinnest brands/models of tube. Your PV tubes have
an ultra thick base. Just drop it through and don't worry.

--
Andrew Muzi
www.yellowjersey.org/
Open every day since 1 April, 1971


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