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PRINCIPLE
During riding, when the inner tube is punctured, the self-replenishing fluid in the inner tube is ejected from the punctured hole at the pressure of the outer air. The self-replenishing fluid condenses rapidly at the puncture hole, blocking the puncture hole, thereby preventing the tire burst phenomenon in the riding process.
Justin Wallace
Reviewed in the United States on March 10, 2025
I put the first one in. The tire blew trying to get to work. I put the second one in. It didn't even get me back from a single trip to Walmart. No nails, no screws, no thorns. It just tore on its own
Kindle Customer
Reviewed in the United Kingdom on February 8, 2025
Very good, high quality product
Daniel
Reviewed in the United States on February 4, 2025
Haven’t mounted it yet but it’s the right fit for my bike.
Hapke-Gehre
Reviewed in Germany on February 13, 2025
Schnelle Lieferung, gute Qualität. Preis Leistung stimmt. Klare Kaufempfehlung
stephanie carter
Reviewed in the United States on January 22, 2025
So far so good
Marco Vita
Reviewed in Italy on January 22, 2025
Robuste e ben fatte
RhodesLessTraveled
Reviewed in the United States on January 21, 2025
I replaced my stock fat tire bike tubes with these after getting a puncture. First time riding after installing these I ran over a thorn and punched it… the tube self sealed itself without losing much air at all and I was able to make it back to my vehicle. I added more air and have continued riding the same tube that had the sealed puncture with no issue.
Transit Officer
Reviewed in the United States on January 17, 2025
I still need to install them on my bike and then will update my review.
Doy Rhoton
Reviewed in the United States on December 12, 2024
Ive been riding on these for a good while now with no flats!
Jeffrey R. Wold
Reviewed in the United States on December 10, 2024
I was sceptical about the automatic repair on this! I am pleasantly surprised! The state has decided for a small bit of time I shouldnt be driving or ridding a motorcycle, soo I bought a nice electric bike for the moment and ran into flat after flat with stock tires! I bought heavy duty tires and the bigest liners I could find, when it came to buying new intertubes since I was spending the money on everything might as well get theese too. I am very happy with the results of my new tires! A few days ago however I pulled a big sharp peice of what looked like couch framing nail outa the rear tire as it was flat (yet again). To be fair it would have given my FatBoy motorcycle a flat tire as well. I put air back in and it still leaked and I was talking smack about theese intertubes but I was wrong! it took some time but after filling the tire twice to get home it held. then i made sure to get it to full rated pressure and it held, a few days later it is still holding!! just needed a few hours to set and I am good! it was a big gash that hit perfectly into the weakest part of the tire I was sure it wouldn't work....... I was wrong
Client d'
Reviewed in France on November 4, 2024
Une très bonne chambre à air assez épaisse rien à redire
E.O.
Reviewed in the United States on August 17, 2023
Riding my 26x4 fat tire ebike down hill (40 km/h) on a small street road, I noticed my speed cut by half as my rear tire began to wobble - A sheet metal screw had punctured it. I pulled it out expecting it to seal with gravity, yet the hole exit was too big and the tube lost all the fluid and squelched in the tire shell. A puncture proof liner/insert could have avoided a such a riveting hole, or at least make the screw tip the only concern.
Le F.
Reviewed in the United Arab Emirates on May 8, 2022
There was a hole in the inner tube, already damaged and not possible to use it
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