2.75/3.00-21” Replacement Inner Tube 80/100-21(300/325-21) with TR4 Staight Valve Stem, Fits Motorcycle with 21'' Tires (2-Pack) - Made from Heavy Duty, Thick Premium Rubber

Very durable are pretty thick and will take some abuse before breaking.

Came in a 2 pack. with reinforced stem with lock nut. Installed 1 in my 1996 Morgan with Wire wheels, and the other in my 1959 Triumph TR3a Convertible .. both Classic English Sports cars...

If you're like me and love hitting the trails or zipping through city streets on your bike, you know how crucial it is to have reliable inner tubes. I recently got my hands on a set of 2.50/2.75-17” motorcycle inner tubes, and let me tell you, they've been a fantastic addition to my ride. These inner tubes fit perfectly in my dirt bike and offer a smooth riding experience I've been longing for. One of the things I appreciate most about these tubes is their compatibility. They fit a wide range of bikes, from my trusty Honda dirt bike to my friend's Coolster. We were both pleasantly surprised by how versatile they are. If you’re unsure about the fit, just check your tire's sidewall. It’s a universal fit for most 17-inch rims, and having that flexibility is a huge plus. I’ve even used them as a substitute for some smaller tubes, and they worked like a charm. What really sets these tubes apart is the quality of the ride. Made from premium butyl rubber, they provide excellent impact absorption and puncture resistance. This means fewer worries about unexpected flats when you're out enjoying your ride. I’ve taken my bike on some pretty rough trails, and these inner tubes have held up beautifully. The ride feels noticeably smoother, and I’m not constantly concerned about hitting a rock or bump. Lastly, I have to mention the peace of mind that comes with knowing there’s a helpful customer service team ready to assist if needed. Although I haven’t had to reach out yet, it’s comforting to know they’re there. Overall, these inner tubes have made my rides more enjoyable and stress-free. Whether you're riding for fun or as a commuter, having these reliable inner tubes can make all the difference!

Great tubes as advertised

I've used a lot of tubes and these ones are the best I've had puncture resistant ones and these ones out perform those would I buy again absolutely!

When I received this it looked fine.so I put the first one on the bike it held air for 3 days then went flat so I assumed I had done something wrong but when I took it off and searched for the leak I found that the tube had been patched from the inside of the tube at the factory and that's where it leaked .... extremely pour quality so I inspected the second tube and it appeared to be ok so I installed it and so far it's holding air...please see the photo I'm includeing you can clearly see it was patched from the inside....

Great quality inner tubes. Very similar to my last big name inner tube. These are prob 2mm tubes which is what we needed for our Venom e-mini bike rear tire. With the TR4 you have 2x 12mm nuts. One goes on the inside of the rim and the other goes on the outside. Many people can be confused about this.

Nice weight tube Fit well in the tire 275x21 Easy installing

Very bad quality

They happened to b the wrong size but overall worth the bucks

worked great easy installation

Did the job.

Nice product, fast Delivery ! Installed perfectly !