Frequent question: What size bike tube do I need?

While your diameter measurement needs to be exact, your width measurement does not. Because inner tubes stretch, they typically come in a range of widths. For example, one of our most popular tubes is the 26 x 1.75-2.125” which means it fits a 26-inch diameter tire with a width in the range of 1.75 to 2.125 inches.

What size tube do I need for 700x32c?

Just like balloons, the dimensions of inner tubes vary with the volume of air that you put into them. So you’ll find that tubes are labeled with the diameter and a width range, e.g. “700×28-32”. In that case, a tube with the size 700×28-35 would be great for tires from 700×28 right up to, and including, 700×35.

Will a 29 inch tube fit a 700c?

So a 29 inch MTB tube will have the same diameter as a 700c road wheel, while a 27.5 inch tube will be the same diameter as a 650b road wheel.

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Can you use 28 inch tubes for 25 tires?

Yeah, just make sure it’s not pinched between the rim & tyre. Helps if you pump it up slightly first so it’s round rather than flat. No problem at all, the tube likely fits a range of tires anyway.

Can I use a 27.5 tube on a 26 bike?

Putting a 27 x 1 1/4 size tube into a 26 x 2.25 tire very likely wouldn’t work. The skinny 1 1/4 sized tube would need to expand too much to fill the space.

Is the inner tube the same size as the TYRE?

Size. Inner tubes vary in size depending on the circumference of the wheel, and the width of the tyre: Wheel Diameter/Circumference: Depending on whether your bike is a road bike, touring bike, mountain bike, or child’s bike, the diameter and circumference of the wheel can vary.

How do I know what size inner tube I need?

When you buy an inner tube, the packaging will usually list which diameter and width it fits, according to the purchase manual. For example, if an inner tube says it’s best for 26 x 1.95-2.125″, that means the tube should be used for a 26-inch tire with a width between 1.95 and 2.125 inches.

IS 700C the same as 29?

29″ (ISO size 622) is actually the same rim diameter as 700C, although most 29″ tires will not fit 700C road rims because they’re too wide. 29″ tires are popular with mountain bikers; search for 29″ MTB. … 700C (ISO size 622) is the most commonly used size for modern road bikes.

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What size tube fits a 700x35c tire?

Your 700x35c tube is for 700c wheels (standard road bike size) and is for 35mm wide tyres.

What size inner tube do I need for 700x38c?

700x38c Inner Tube Conversion (Simple Answer)

The simple answer is: 700x38c converts to around 27.5” x 1.5”. The even simpler answer is to stick with the 700x38c sizing and buy a tube that’s labeled with that size.

Will a 25C fit in a 23C?

Generally speaking, if a rim can take one 700-labeled tire, it can take any 700-labeled tire. … But a rim that’s a good fit for a 25C tire will take a 23C tire just fine. Be advised that most riders are moving in the other direction and fitting wider tires, if they have enough frame/fork clearance to do so.

Can I use a smaller inner tube?

Yes, you can, as long as you don’t go more than one size smaller, or the differential is not too extreme. A 1.25 in a 1.5 is fine. A 1.25 in a 2.25 is likely to have issues with flats. Your LBS will have tubes.

Can I use a 700×25 tube in an 700×23 tire?

Re: 700×25 tubes in 700×23 tyres

i can confirm today tried, and 700×25 inner tube fit perfectly fine in 700×23 tyre.

Will a 26 inch tube fit a 27 inch tire?

A good, thick (2.25-3.0) 26″ tube will work just fine.

Can you put 29 inch tires on any bike?

Yes, it is possible to mount 29 inch (29er) wheels onto a modified full suspension 26” mountain bike frame. However, it does require specialized tools, and you must be comfortable with basic bike modifications.

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Will a 24 inch inner tube fit a 26 inch wheel?

What if I used a 24″ tube on a 26″ bicycle tire, will it work? Probably not. You’re going to have to stretch it to get it on the wheel, and once you inflate it to the required size, it’s going to be stretched rather thin.

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