Join Date: Apr 2009
Location: New Rochelle, NY
Bikes: too many bikes from 1967 10s (5x2)Frejus to a Sumitomo Ti/Chorus aluminum 10s (10x2), plus one non-susp mtn bike I use as my commuter
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Schrader valves all have the same thread -- worldwide. What you see is the identical dimensions expressed in both imperial and metric, but they're the same.
Externally threaded adapters, usually have the identical thread, but may not be made to the same tolerance. I suggest you take whatever needs to fit with you when you buy an adapter and confirm the fit.
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