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Converting from Presta to Shrader?

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#21 ·
The worst thing that happen to me with removable cores was not paying attention when adding air on the trail. Thought I was just loosening to add air but I was removing the core which then proceed to fly out into the bushes. I now carry a extra Stan's stem in my pack. I broke my Stan's syringe so now I just use those 3 ounces bottles of Stan's to refresh.
 
#22 ·
I know I saw the stan's presta stems with removable cores and tool at Slippery Pig last week. I thought about trying them then I remembered that I still have about 20 tubes at home that I plan on continuing to cannibalize.
 
#24 ·
Phillbo said:
They get clogged up with sealant and also require that you pop the bead of the tire to add more sealant.

I'm all thumbs and more times than not I mess up the rim tape in the process.
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Schrader valves can clog, too, and are not tubeless friendly.

Every tubeless valve I have used have removable valve cores so no need to touch the tire to add sealant.

With a proper tubeless system the rim tape stays put just fine when changing tires.
 
Discussion starter · #28 ·
obviously the wrong ones. When I bought the bike the LBS threw in the tubeless conversion as a part of the deal.
 
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#29 ·
If that is the case I would just pick up a set of stans valves and their injector makes like easier even easier if you buy their core remover it works on both shrader and presta. who caboodle should set you back around $30 really makes set up and maintenance easy. Plus with the injector you can add sealant to shrader and with a little work presta tubes.
 
#32 ·
Phillbo said:
obviously the wrong ones. When I bought the bike the LBS threw in the tubeless conversion as a part of the deal.
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Really they should have provided removable cores as part of the tubeless conversion. As you can tell from most of the replies here, it really makes little sense to go tubeless without removable cores. That makes tubeless SO much easier. I bought my first tubeless setup in 2002, and the bike shop that did it (Adventure) installed removable cores, even back then.

Bob
 
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#33 ·
It should but doesn't always happen. I bought a set of 2013 Easton UST wheels that came with valve stems without removable cores. Just lazy on the manufacturers part but it does happen still.

Bituman said:
Really they should have provided removable cores as part of the tubeless conversion. As you can tell from most of the replies here, it really makes little sense to go tubeless without removable cores. That makes tubeless SO much easier. I bought my first tubeless setup in 2002, and the bike shop that did it (Adventure) installed removable cores, even back then.

Bob
Click to expand...
 
Discussion starter · #34 ·
Bituman said:
Really they should have provided removable cores as part of the tubeless conversion. As you can tell from most of the replies here, it really makes little sense to go tubeless without removable cores. That makes tubeless SO much easier. I bought my first tubeless setup in 2002, and the bike shop that did it (Adventure) installed removable cores, even back then.

Bob
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Yeah, you live, you learn. I've been breaking the bead to pour in the sealant for 2 years now. Can't wait to make this change.
 
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#35 ·
I was lucky in that my Outlaws were big enough for Schraeders and the only stem that's been in them are the 949 racing stems. Absolutely love them. Much easier to deal with than those little Presta valves. Will never own another wheel without Schraeder valves. Plus, you can have bigger or thicker chunks and they'll still fit through the larger hole.
 
#37 ·
Jay Wye said:
buy a pair of Fenix thorn-resistant inner tubes,and you won't need to use any sealant. also,you won't need to add pressure as often. they're not low cost,but they last a long time.
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Hey new guy, welcome, awesome first post!

You get the award for zombie thread revival, 11 years, wow 🤣
 
#38 ·
dstepper said:
The worst thing that happen to me with removable cores was not paying attention when adding air on the trail. Thought I was just loosening to add air but I was removing the core which then proceed to fly out into the bushes. I now carry a extra Stan's stem in my pack. I broke my Stan's syringe so now I just use those 3 ounces bottles of Stan's to refresh.
Click to expand...
I'll raise my hand here - been there done that.

Never really think about it until it happens - pretty much no 'hack' to fix it either. Was a long walk :cry:
 
#40 ·
Phillbo said:
Yeah, you live, you learn. I've been breaking the bead to pour in the sealant for 2 years now. Can't wait to make this change.
Click to expand...
I haven't seen any presta valves without removable core and I've been tubeless since 2015.

If the valve happens to clog up just remove the core and clean it out by hand with the biggest drill bit you have that will fit in the hole.
 
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