- Valve hole adapters/gromits for rims
Does anyone know where one can get those little rubber gromits to reduce the size of the valve hole in rims? I have some rims which are drilled for Schraeder and I want to use Presta valves which have a narrower stem. I have a set of wheels with these little rubber things in which do the job nicely, just not sure where to buy.
Cheers!Posted 4 years agoBrother_WillSubscriber
New stock continental inner tubes have a Step shouldered knurled stem ring that will locate a presta valve centrally in a schreader hole.
Not sure if that description makes sense .
It makes perfect sense schwable have been doing the same thing with their presta tubes for years.Posted 4 years ago
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