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Elevate your biking experience with Corki Cycles 20" Butyl Rubber Bike Tube. Crafted from high-quality butyl rubber, this tube is designed for 20-inch tires. Whether you're hitting the trails or commuting on city streets, our bike tube ensures a smooth and safe ride.
With easy installation and compatibility with a variety of 20" bike types, you can count on our tube to perform consistently. The 32mm Schrader valve makes inflation a breeze.
Choose from two-pack to stock up on this essential bike accessory. Trust in the quality and durability of Corki Cycles, a trusted name in bicycle accessories.
Customer
Reviewed in the United States on June 6, 2025
They work.
Juanca
Reviewed in the United States on May 9, 2025
These inner tubes seem to work fine, they've been holding air for almost a month without issues. I ride two bicycles with 20" tires, they both roll smooth on these tubes. Time will tell if they're prone to punctures.
Vlad
Reviewed in the United States on May 9, 2025
Worked perfectly - successfully replaced both tubes on my daughter’s bike that were old and leaky. Just be sure to double-check your bike's tube size before ordering, as sizes can vary across different bikes.
Jarin Marocco
Reviewed in the United States on May 31, 2025
This 2-pack of Corki Cycles 20” bike tubes is a practical purchase for anyone in Bayshore Gardens with a bike using this size. Made from butyl rubber, they should offer good air retention and durability. The Schrader valve with a 32mm length is a common type, ensuring compatibility with many bike pumps. Having a spare set of inner tubes is always a good idea for quick repairs and to avoid being stranded with a flat tire.
Roesch
Reviewed in the United States on March 25, 2025
I recently purchased the Corki Cycles 20" Bike Tubes (2-pack) to replace the worn-out tubes on my kid's mountain bike, and I'm really happy with the quality and ease of installation. Finding the right size tubes can sometimes be a hassle, but these fit perfectly with the 20" x 2.1" tires.The butyl rubber material feels thick and durable, which is exactly what you want for a kid's bike that gets a lot of rough treatment. I'm confident these tubes will hold up well to the bumps and scrapes of everyday riding.Installation was a breeze. I'm not a bike mechanic by any means, but I was able to swap out the old tubes and install these new ones without any problems. The included bike tire levers were a nice bonus and made the process even easier.Once installed, the tubes held air perfectly. My kid noticed an immediate improvement in the smoothness of the ride. The consistent air pressure makes a big difference in the bike's performance.I also appreciate the versatility of these tubes. They're compatible with a wide range of 20" bikes, so I know I can rely on them for future replacements if needed. The Schrader valve is standard and easy to inflate.For the price, these Corki Cycles bike tubes are an excellent value. They're durable, easy to install, and provide reliable performance. I highly recommend them to anyone needing replacement tubes for their 20" bike.
Don Taylor
Reviewed in the United States on March 21, 2025
Works well as replacement intertube for bike
Alisha Hinson
Reviewed in the United States on April 24, 2025
Upon opening the box I was disappointed to find that it did not include any bike levers as it shows in the pictures and states in the description. That was a key reason I purchased this specific brand. I would imagine they would have made the job a bit easier. Overall the tubes seem quality and retained air upon being pumped up.
WoodFam
Reviewed in the United States on April 23, 2025
Just right for the project
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