Challenge Pro Cross & Gravel Seamless Latex Inner Tube
1/ 5
Dale 29 August, 2021

Great tubes with a major flaw.

Great riding tubes until they fail. Constant failure around the valve area due to a strange reaction where the latex bubbles and bursts.

Pros
  • better than butyl
  • don't suffer snake bite punctures as much
  • ride smooth
Cons
  • expensive
  • fail all the time
Challenge Pro Cross & Gravel Seamless Latex Inner Tube
1/ 5
Leo 23 August, 2021

Never again.

Never again. A quick deflation a fortnight ago, today a blowout that also destroyed my outer tyre. On holiday in the south of France. Both times just next to the valve. No pluses, one star is still too much for this lousy tyre.

Cons
  • Spontaneous leak
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