My first experience with tubeless wasn't pleasant, but I learned the problem was bad information (running my tire pressure low because a previous "upgrade" to a bigger wheel size didn't leave enough tread clearance). So I decided to retry a year later, with a new bike, and I'm so glad I did! These valves worked EXACTLY as I hoped. I bought the Stan's brand sealant, injector, valve core remover and even redid the rim tape with Stan's- it was not messy, and both tires inflated on my first try! (tip: use a presta-to-Schrader adapter and pop an air compressor hose on briefly to make the initial seal) Thrilled with the end result, and I don't see why I would try a different valve stem, because I can't picture anything else working better for such a reasonable cost. This set will probably last me a year or more, and I'm riding 50+ miles a month on them.Read full review
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
For this name brand product the price can’t be beat. 
Verified purchase: Yes | Condition: New
I thought it could've came in a marked package...just came open no advertisement or nothing
Verified purchase: Yes | Condition: New
These valves seal well and are dependable.
Verified purchase: Yes | Condition: New
These are not worth your time. Spend a little extra for better quality. i had to replace stem core in under two months due to clogging. My MAVICs have lasted 5 years no issues. In a pinch I replaced the stans core with mavic. Stan is just like huffy-cheap
Verified purchase: No
no .
Verified purchase: Yes | Condition: New
Nice valves. Worked perfectly
Verified purchase: Yes | Condition: New
Awesome product
Verified purchase: Yes | Condition: New
Been using these for a while. So far they have worked on every application.
Verified purchase: Yes | Condition: New
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