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Item # QTB0003

5 5

Community Rating | 12 Reviews

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Item # QTB0003


Q-tubes is the house brand of one of our favorite distributors, Quality Bicycle Parts. The tubes are high quality, produced by Kenda. They are black rubber with a 32mm Presta Valve. At ~220g/per, they're respectably light. These are for bikes with big wheels -- 29in x 1.9-2.3in.

Tech Specs

29 x 1.9 - 2.3 mm Q-Tubes
Valve Type:
32 mm Presta
Actual Weight:
One Color, One Size: 214g
Recommended Use:
mountain biking

Reviews & Community

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Q-Tubes 29in Presta Mountain Tube

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Here's what others have to say...

5 5

good tube

  • Familiarity: I've put it through the wringer

this is a great tube to use riding, and its a great backup tube! and for the price its awesome!

4 5


  • Familiarity: I've used it several times

Does what a tube should?holds air. And at least for the half dozen I ordered, has a removable valve core so I can load up Stan?s for some extra flat protection.

4 5

Great Tube

  • Familiarity: I've used it several times

As soon as I got these tubes had to use one. Was thankful I ordered a few in my last shipment. Great backup.

4 5

Great backup

I run tubeless on my ride but these are the tubes that I keep in my pack in case the worst happens. These are the tubes I trust to keep an epic ride from turning into a miserable walk.

Unanswered Question

Do these have removable cores?

Posted on

Do these have removable cores?

5 5

Good Value Tube

  • Familiarity: I've put it through the wringer

I had an early season incident with my tubeless & have been running these in my procrastination to get them fixed. The tubes work fine but the stem is a bit short for my Enve wheels... 42mm+ stem works better - not a fault of the product.

5 5

Great for running sealant

These tubes have a removable core if you like to run sealant.

5 5

Simple tubes, they hold air

Not much to say about tubes, really, but these are pretty good ones. The removable valve cores are nice if you're running deep rims for 'cross, or if you want to shoot a little sealant into your tubes.

5 5

gets the job done

These have proven to be great tubes for me. Durable and easy to use.

4 5

Its a Tube

But not all tubes are created equal. These are the best around, but make sure to check the valve core- some of these can unthread with the wrong pump if their not tight. A quick turn with a spoke wrench will do it.

5 5

29er for Cross

  • Familiarity: I've put it through the wringer

I use these tubes in my cross tires. It helps prevent flats when running lower tire pressure because of the thicker tubes. Give it a shot!

4 5

Don't leave home without one

  • Familiarity: I've put it through the wringer

Not the heaviest, not the lightest, but well priced. Don't leave home without one.

4 5


Work great and kept me from having to walk for miles.