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Escaping the flat tires: Are puncture-proof tires really puncture proof?

The answer is 4200KM

Conclusion

Escaping the flat tires: Are puncture-proof tires really puncture proof?

Nov. 19, 2021

You might wonder how puncture proof a "puncture-proof" bicycle tire really is. I set out to find the answer when I installed Schwalbe Durano Plus tires on my bike. It was inevitable for me to find the answer to the question: How many kilometers can you ride without flats using puncture-proof tires?

In search of answers: how many kilometers can you ride without flats?

The answer is 4200KM

After 4200KM the Schwalbe Durano Plus puncture-proof tire failed

It took them so long to fail that I didn't even carry a spare tire anymore! The Schwalbe Durano Plus tires are really puncture resistant - but only up to so many kilometers. During one of my commutes the rear tire suddenly lost pressure - a sensation no cyclist really wants. Alas, the answer!

Fresh Schwalbe Durano Plus with "Smartguard dual compound" - these are very resilient tires!

Conclusion

Before switching to puncture resistant tires, I frequently had flats during my rides. On average one per 1500KM, depending on conditions. Statistically I need more testing to make any bold statements, but I like where this is going: less flats, more cycling!!

Less flats, more cycling!