2 Pack 20x4 Fat Tire Bike Inner Tubes with Schrader Valve, 20 x 4.0 Premium Butyl Rubber Inner Tube for 20 inch Ebike Electric Bicycle

The material feels thick and durable, they inflate well and maintain pressure without any problems. The Schrader valve is of good quality and doesn't leak. Installation was easy and they fit perfectly.

In the annals of cycling, where tales of epic climbs and daring descents are etched onto every dusty path, there exists a lesser-sung, yet no less vital, legend: the inner tube, but not just any inner tube - the 'Premium Butyl Rubber Inner Tube'. This wasn't some flimsy, mass-produced rubber circlet. Nay, this was a masterpiece, a whispered secret forged in the fiery heart of a forgotten vulcan, imbued with the spirit of the ancient roads themselves. Its very touch radiated a resilience that promised untold miles of unfailing service, even through the most treacherous terrains. Forget the flimsy, patch-prone nightmares of lesser tubes. The Premium Butyl Rubber Inner Tube was woven with whispers of puncture resistance, able to shrug off the sharpest thorns and malicious shards that sought to impede a rider's journey. Its ability to retain air was not mere engineering; it was a pact with the very element, holding true against the whispers of insidious leaks that plague lesser tubes. Installation was not a chore, but a blessing. It slipped into place with the ease of a well-worn tale, its form molding perfectly to the curvature of the wheel, ready to embrace the journey ahead. Oh, the tales told of its unwavering performance! Riders spoke of traversing desolate mountains and bustling cityscapes, their minds free from the nagging fear of sudden deflation, thanks to this legendary tube. It whispered promises of smooth, unwavering rolling, transforming every bump into a barely-there tremor and granting a grace that verged on the miraculous. Some even dared to say it smoothed out the roughest asphalt as if a fresh layer of tar had been laid down before them. The Premium Butyl Rubber Inner Tube, though silent and hidden, was the very foundation of their freedom, the unspoken promise of adventure around every bend. A relic of a bygone era, perhaps, but its spirit lives on in every flawless journey, a reminder of the true potential held within the humblest of components. I paired it with green slime because we are blessed with goat head stickers, the bane of existence. So far, they function like a dynamic duo, nay better than psychotic and schizophrenic silver spoon dressed like a bad comic-con character and his infatuated and naïve sidekick.

These tubes seem thick and durable! Had no issues so far. Look to be pretty good quality time will tell. I'll try to follow up in a few months with an update!

So far so good... with my new tire and these tubes I haven't had a flat. I think the new tire had more to do with it as the cheap tires that came on my $1700 ebike had four flats in the first month. But these tubes seem to be good quality.

The first one was great till I ran over a 2inch screw. I managed to pull it out, and I don't know if it was the slime that helped or if it was the thickness of the tire, but It held up for another week and some days. It eventually burst. I grabbed the other one to use, and turns out, it has a small split. I highly recommend filling them up with air, and using the water test before putting them on, and even if you're not using them right away, before your return window is up. I ordered these back in June, and it's now December, so I won't be able to return one of mine. They're nice quality, and pretty reasonable price, especially for 2.

So far they easily fit in my bike and are working great. Worth it

The valve quality is exceptional, with no leakage. The weight is appropriate, neither excessively heavy nor excessively light. They appear to be robust. I hope they are thicker than my previous ones to prevent punctures. They look excellent! My tires are no longer flat. I easily ran over sand spurs and punctured my previous ones. So hopefully these ones are puncture resistant. The valve quality is exceptional, with no leakage. The weight is appropriate, neither excessively heavy nor excessively light. They appear to be robust. I hope they are thicker than my previous ones to prevent punctures. They look excellent! My tires are no longer flat. I easily ran over sand spurs and punctured my previous ones. So hopefully these ones are puncture-resistant!

Cant beat the value

At first I thought they where too small but I just had to blow them up more, arrive fast

少し小さい感じかな

Was exactly what I needed

Chambre à air de secours pour nos fatbike.

なかなか近所の自転車店では在庫していないサイズのチューブです。二本セットでこの値段は安い！さっそく交換いたしました。商品にも問題はありませんでした！