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Item # CON0115

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  • Presta Valve 42mm, 29x1.75-2.5 ($6.00)
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Item # CON0115

Always have a spare.

Make sure you keep your 29er happy with Continental 29in MTB Tubes. Made from butyl rubber, Continental tubes are lightweight and strong?just like your 29er.

  • 48mm Presta valve stem

  • Butyl rubber
  • Presta valve

Tech Specs

29 x 1.75 - 2.5 in
Claimed Weight:
Presta Valve 42mm, 29x1.75-2.5: 234g
Recommended Use:
29in MTB

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Continental Tubes - 29in

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Here's what others have to say...

5 5

Better than a Tube Top

  • Familiarity: I've put it through the wringer

Are you tired of walking your bike after missing that tranny on your favorite jump? How about after those darn rattlesnakes take a bite out of your current tube?

Do you suffer from flat tires due to gnarlyness, shredfests, or send offs?

Or perhaps you burped out all your tubeless sealant while scraping elbows on that berm?

Regardless of the why, the solution is now here! Get your spare tube now!

(Fine Print: Prices subject to change. I am not responsible for picking you up after tearing your spare tire so please don't message me to do so. No tube is indestructible. If you keep shredding your tubes, please go tubeless or run higher pressures.. If that doesn't work, then you're probably destroying your rims as well and have other issues. Please remember to spay or neuter your pets.

5 5

great tubes, great price

  • Familiarity: I've used it several times

Conti makes great tubes.

5 5

Gravel Guts!

  • Gender: Male

Here in Kansas we ride lots of gravel. The flint hills are notorious for eating tires and tubes. Just did a 67 mile ride and not one problem. Sand burs are another pain on the road , no worries. Continental 29er tubes fit my Trek Fuel EX 7 - 2.0 gravel tires great. I will be buying a second set for my 2.30 dirt tires and see how they hold up to our rocky terrain on the trails this winter. I have recommended them to all my friends.

4 5

can't go wrong with Conti!

  • Familiarity: I've put it through the wringer

I use conti tubes on all of my bikes so I recommended this for a friend and bought it for him for a present.

5 5

Long Stems for big rims.

  • Familiarity: I've used it once or twice and have initial impressions

Lots of the current super-wide rims (think Enve M60, Ibis 941, and Industry Nine Torch) are also pretty deep. Most people riding them are running sealant rather than tubes, but these are the ticket for spares since they have 45mm valve stems. Tubes with shorter 35mm valve stems don't leave enough valve to get a pump or co2 inflator on.

5 5

Always carry a spare

I have switched my mountain bikes to tubeless, but always carry a spare one of these just in case I get a puncture that doesnt seal. A couple of other things you may want to consider purchasing are: and

4 5

Fine tubes

  • Familiarity: I've put it through the wringer

I've been riding Park City trails a lot lately, and just barely swapped over my wheels to a tubeless setup, so I've been relying on good tire/tube setups for the past three months. The trails here are pretty rocky, and I do every so often get snakebite flats from hitting jagged boogers straight on. These tubes have been a life saver on a few occasions when I'm 15-miles out from home. I've flatted two (2) tubes that came with the bike, and one (1) of these after barreling down a rock garden at ~25 mph.

Nothing fancy about them, but they work as good as the others. I'm not a tube geek, so don't ask me about weight.