4 stars, not 5 stars. It works pretty well. Push the adaptor onto the presta valve and start pumping. I give it 4 stars, because 1 out of 4 times it will leak air when you start pumping. So you fiddle with it and it stops leaking and you fill your tire. The reason it does this is because it doesn't always go on perfectly straight. Get it on straight and you can pump your tires to 130 psi no problem. If you don't get it on straight, HISSSSS, adjust it, pump and 130 psi no problem. My old adapter worked perfectly for 15-20 years until the rubber seal wore out.
Verified purchase: Yes | Condition: New
works great for the bike shop I have one on each stand verify durable and longs lasting,
Verified purchase: Yes | Condition: New
Can be difficult at times to get it to seat correctly on the valve.
Verified purchase: Yes | Condition: New
Works great. I slip it on over the Presta stem, then put my compressor to it using the same fill head that I use for my car (schrader). Fills my bike tube super fast. It's so much easier than using a pump. I just have to be careful that the pressure regulator on my compressor is set where I want it first.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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