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Challenge Triathlon Tubulars Add Double Puncture Protection

Written by Tyler Benedict
9 Comments
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challenge triathlon tubular tires with new PPS2 puncture protectionChallenge has added dual layer PPS2 puncture protection to its triathlon tubular tires. The system places a narrower strip of PPS (gray) directly under the tread, above the casing, and a second, broader strip (red) between the casing and the innertube.

They say that, plus the tightly woven 300tpi SuperPoly casing and elasticity of the seamless latex tube, provides all the peace of mind you’ll need to use them for the big race day. The tread is a grippy natural rubber.

They’re available in 700×22 and 700×24 tubulars and a 700×23 Open Tubular (clincher), with weights coming in at 260g, 260g and 215g respectively.
Tyler Benedict
11,282 articles

Tyler Benedict is the Founder of Bikerumor.com, where he’s been writing about the latest bikes, components, and cycling technology for almost two decades. Prior to that, Tyler launched and built multiple sports nutrition brands and consumer goods companies, mostly as an excuse to travel and ride in new places.

Based in North Carolina, Tyler also loves the Vanlife & family adventure travel and is always on the lookout for the next shiny new part and off-grid adventure.

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MikeC
MikeC
11 years ago

“Open Tubular” (i.e. clincher) wins for best bike industry doublespeak.

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Matt
Matt
11 years ago

They are completely different tire construction
and materials from a std clincher.
They are an open tubular as the name
implies.

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Somebody
Somebody
11 years ago

Shouldn’t a “Tri” tubular have a butyl tube? Nothing better than having to pump your tires up in T1!

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Rivet
Rivet
11 years ago

Open tubular is an Oxymoron.

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Jake
Jake
11 years ago

I agree with Rivet

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Jake
Jake
11 years ago

I guess I’m out of touch. Do you mount this tire on a clincher rim, a tubeless rim, glue it on a sewup rim, or is there an open tubuler rim out there? For a long time I didn’t know a 29er was a 700c rim.
.

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JimmyZ
JimmyZ
11 years ago

They should be required to add that (clincher) parenthecized qualifier to every instance of the term “open tubular” so that they learn to choose their words carefully. Simply saying that it’s different from a clincher doesn’t help at all, it just prompts me to infer that y’all are full of it, and are trying too hard to cover up for your own inadequacies.

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Nick
Nick
11 years ago

@matt – Nice job regurgitating the marketing materials. but you can see from the diagram it is a standard bias-ply clincher tire. “Open Tubular” is nothing more than marketing speak to get suckers to think there is something particularly unique about this tire.

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A.
A.
11 years ago

There is something unique about this tire. It caters to triathletes’ fear of flat.

I can’t tell you how often we set up a Conti Gator Hardshell, a Conti Sprinter, or some other heavy puncture resistant tire on a set of Zipps or Enves. It’s pretty comical.

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