Stan's NoTubes Tubeless Valve Stem - Pair
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They're quite wide, so they should fit in Schrader holes as well.
These are, without a doubt, presta products. I have a set of Mavi Ksyrium Elites that work great, and I have a set of Shimano Great Rims that I haven't tried on yet (I found the Mavics at the same time I got the bike). However, I sat the valves in them (prior to putting them on the Mavics) and they fit perfectly.
Yes. They'll fit on any rims that are tubeless compatible.
This will fit any rim that has a presta valve. Of course, not all runs are tubeless compatible, and the bead may or may not seal.
Selected User Reviews For Stan's NoTubes Tubeless Valve Stem - Pair
Shearing a valve off rather than breaking the valvestem is more common. Most people who go on long MTB trips bring a valvestem with them in case it gets bent or clogged with sealant if they're riding tubeless. Sure, it could happen, but it's not as common as shearing or breaking your valve. It's only a matter of time if you're riding hard in rocky terrain before you break a valve or shear it off and have to replace it. These are universal valves that are simple to install. In the last year alone, they've saved me from a long hike out twice.
The importance of a good rim tape seal is critical, followed by a leak-free tubeless valve stem. In this regard, Stan's is fantastic - There's no mess and it's simple to install. It's true that injecting the sealant can be a pain, but that isn't the issue. If you want to avoid being stranded on the road, don't skimp on the stem.
It's as easy as removing the inner tube, sliding these bad boys in, and securing them. Fill the tire (Tyre) with your preferred sealant and inflate it. That's all there is to it, folks. Bob, you're my uncle! Go ride !.
These fit, but getting a good seal on them is difficult. They were so difficult to deal with that even the professional shop struggled.
This is what I use to replace the valve stem that came with my Ultegra 6700 tudeless wheelset. The valve core for the original valve is not removable. I have to remove the tire each time I add sealant, and then replace it with this Stan's valve stem, which I then use the injector to inject the sealant through the valve. It will be quicker and easier as a result of this. So far, there hasn't been a leak, and the wheels are working perfectly.
These replaced the old valve stems that I had previously used. Yes, when I switched to tubeless, I used valve stems from old tubes. I was impatient, and it had previously worked for me. Stan had no trouble sealing them in place. But, as with old tubes, the stems eventually come out, and mine did as well. These are a great replacement, and I should have used them from the beginning. I do like the retainer nut that comes with other stems that have a built-in flange for an o-ring. The nut has a ring in it. That would be a nice touch, but these are fine as they are.
I used Shimao Ultegra 6800 tubeless wheels to mount these. So far, after three months of riding, there have been no issues. They were simple to set up and made filling the tubes with sealant a breeze. I'm not sure why Shimano put valve stems in these wheels if the cores aren't removable. Shimano's design leaves a lot to be desired in terms of efficiency and logic, but as long as aftermarket companies can correct their flaws, everything will be fine. Valve stems are fantastic.
Other valve stem brands, however, I am unable to say the same. Excellent work!!.