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  • Tubolito S-Tubo MTB Tube - 29in
  • Tubolito S-Tubo MTB Tube - 29in Detail
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TubolitoS-Tubo MTB Tube - 29in

Item # TBL0005

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  • Orange, 29 x 1.8-2.4in, 42mm presta valve ($37.90)
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Item # TBL0005

S-Tubo MTB Tube

  • An ultra-lightweight, ultra-compact MTB inner tube
  • Designed for use as a spare to save weight and space
  • Measures only 1.4 x 2in with the valve stem removed
  • Offers the same puncture resistance as rubber tubes
Tech SpecsWeight
Tech Specs
thermoplastic polyurethane
29 x 1.8 - 2.4in
Valve Type
presta, 42mm length
Removable Stem
Recommended Use
mountain biking

Actual Weight

Actual weights are measured in-house by the Competitive Cyclist team.

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Orange, 29 x 1.8-2.4in, 42mm presta valve

Claimed Weight

Claimed weights are provided by the vendor.

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  • Familiarity: I've used it several times

Some people's first reaction to this tube is "what a rip off, $40 for a tube?? I get mine for $6"

Well, it's 2019 so all you use a tube for is an insurance policy strapped to your frame right? Dead weight. This tube is 175 grams/0.4 lbs lighter than those $6 tubes. That is a massive amount of weight to shave for $40. If you told the execs at Santa Cruz that you found a way to make frames 0.4lbs lighter for $40 without losing any performance or durability whatsoever, you'd be swiftly promoted.

Stop strapping those thick rubber weights to your bike, this tube is an easy upgrade. I'm not a weight weenie by any means, but less dead weight means my legs can take me that much farther before they crap out.

How does the tube actually ride or hold up? WHO CARES. It holds enough air to get you back. Ok, if you do super long rides or just for any reason find yourself actually riding a tube for long distances/periods of time then this probably isn't for you. But who on earth rides tubes for long periods of time these days?