Old 09-25-18, 11:05 AM
  #11  
rosefarts
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I remove the o-ring from my presta valve adapters. The ring is too tight and more times than not, will screw the valve closed when screwing the adapter onto the valve.

It doesn't leak at all.

Of course the only time I use it is to seat beads on tubeless tires. My 20 year old floor pump has both valve types. Even Walmart pumps have both.

Once presta chucks for an air compressor drop under $40, adapters will be obsolete for me.
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