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Seal the deal.

Although tubeless set-ups remove tubes entirely from the equation, you'll still need valve stems to seal the rim/tire interface from losing air, as well as provide a method for tire inflation and sealant injection. That's where Stan's NoTubes Tubeless Valve Stem Pair comes into play. These 44-millimeter valve stems feature a removable valve core for injecting sealant into your tubeless set-up without dealing with the hassle of breaking your tire's bead. You'll find they work equally well with UST, Road Tubeless, and standard tube-type rims, thanks to their universal shape and rubber cone along the end opposite of the valve.

  • Tubeless 44-millimeter valve stems (pair included)
  • Removable valve core for sealant inject
  • Seals UST, Road Tubeless, and standard tube-type rims

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Stan's NoTubes Tubeless Valve Stem - Pair

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Here's what others have to say...

5 5

They just always work

  • Familiarity: I've put it through the wringer

I have put these on too many bikes to count and have recommended them to be put on many more. They seal well in in any presta wheel. They also have a removable value core which is super handy to seat a really tight tire quickly.

5 5

Sealed up

  • Familiarity: I've put it through the wringer

New wheels call for new valves, just gotta keep everything fresh. These work, they seal well (I hit them with 1-2 turns with pliers to give it an extra snug fit) and they are great!

5 5


  • Familiarity: I've put it through the wringer

removable valve core.
Fits all presta holes
just works really well.
Never had an issue with these on countless bikes.

5 5

straightforward valves

  • Familiarity: I've put it through the wringer

Great valves with a removable core. These are the longer ones. They're about as long as road bike valves. They'll work on all presta rims, but some people may want shorter valves that don't stick out as far. It doesn't bother me at all.

4 5

Awesome Valve Stem

  • Familiarity: I've put it through the wringer

great valve stem and does not leak air at all, the only thing is I would use a pair of needle nose pliars to tighten the nut around the stem, not just hand tighten.

5 5

Part of the Tubeless Setup

  • Familiarity: I've put it through the wringer

If you are going tubeless you'll want to pick up the full assortment of Stan's pieces and then log onto their site and follow the easy instructions. These work great on any rim I've ever tried and if you have an injector, the removable cores make adding more sealant a breeze.

5 5

Perfect Match

  • Familiarity: I've put it through the wringer

These were an easy add-on for the Stan's wheels. They seal tight enough by hand and have had no leaking.

5 5

Half the battle to Tubeless victory

  • Familiarity: I've used it several times

These valve cores work really well setting up pretty much any rim tubeless. The shallow, tapered rubber valve seats well to nearly any and all rims channels to provide a leak free interface. I find them to work especially well for narrow rims or just setting up tubeless with Gorilla tape. They do have removable cores to make injecting sealant through a breeze.

5 5

Tubeless must have

Using on tubeless mtb wheels and working great. Kind of pricey for what they are, but you have to have them and they're well made so they should last. The only part likely to fail, the valve core, is replaceable. If I notice the valve seems sticky, remove it and peel off a bit of dried sealant and its good to go. I still keep extra cores just in case. If you don't know already, these are presta valves and won't fit in rims drilled for schrader valves. They also seal themselves using air pressure, so they don't have a spring in them.