Yes, you can use a 25mm tube in a 28mm tire, but you may need to inflate the tire a bit more to get the desired width. The reason for this is that the 25mm tube is slightly smaller in diameter than the 28mm tire. When inflated, the 25mm tube will take up less space inside the tire, so the tire will appear narrower.

How To Choose Inner Tubes – GCN's Guide To Road Bike Inner Tubes

Can you use 25mm tubes in 28mm tires?

25mm tubes are not typically used in 28mm tires as they do not provide enough support for the wider tire. 28mm tires typically use 32mm or 34mm tubes. However, some riders may choose to use 25mm tubes in 28mm tires if they are looking for a lighter weight option.

Can you use 25c tube in a 28c tire?

No, you can’t. Tubes are sized according to the tire they’re meant to be used with. A 25c tube will be too small for a 28c tire, and will be very difficult to inflate.

Plus, it’s likely to pop out of the tire while you’re riding, which could be dangerous. It’s always best to use the correct size tube for your tire.

Can I use a smaller width inner tube?

It is not recommended to use a smaller width inner tube. If you do, you may find that the tube does not fit snugly against the tire, which could cause air leaks. Additionally, a smaller width tube may not be able to support the weight of the wheel and could cause the tire to rub against the frame.

Will a 700c tube fit a 28?

A 700c tube will not fit a 28″ tire. The 700c tube has a 60mm valve stem, while the 28″ tube has a 48mm valve stem. You can use a 28″ tube on a 700c wheel, but you will need to use a Presta-to-Schrader valve adapter.

can i use 25mm tube in 28mm tire


Tube size for 28mm tire

When it comes to choosing the right tube size for your 28mm tires, there are a few things to consider. First, you need to know the width of your tires. This is important because tubes come in different widths, and you need to make sure you get the right size.

Second, you need to know the valve stem size. This is the part of the tube that goes into the valve stem on your wheel. There are different sizes of valve stems, so you need to make sure you get the right size tube.

Finally, you need to know the pressure you want to run in your tires. This will help you determine the right tube thickness. If you’re not sure about any of these things, it’s best to consult with a bike shop or an experienced cyclist.

They can help you choose the right tube size for your 28mm tires.


Yes, you can use a 25mm tube in a 28mm tire, but it’s not ideal. The 25mm tube will be a tight fit in the 28mm tire and could cause problems with air retention and punctures. If you have a 25mm tire and a 28mm tube, it’s best to use the tube that’s closest to the tire size.

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