How do I know what size bike tube I need?

The first number is the diameter of your wheel. Sizes such as 26, 24, 20, 27.5, 29 and 700c are common tire diameters. The second number (after the X) is the width of your tire.

What size inner 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.

What size inner tube do I need for a 26 wheel?

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.

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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 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.

What size tube fits a 700x35c tire?

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

Is a 28 inch tire the same as 700C?

The wheel sizes 28”, 700C and 29er or 29” all refer to the same rim size: ETRTO 622. The tyres can differ which makes it confusing, but the 28”, 700C and 29er are all the exact same rim diameter. The 700 marking will be followed by the width in mm, and the 28 or 29 marking will be followed by the width in inches.

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.

Will a 26 inner tube fit a 27.5 wheel?

26″ tubes work perfectly well with 27.5″ wheels.

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.

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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.

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.

Which is better Presta or Schrader valve?

Presta valves are easier to pump than Schrader, because they have no valve spring to overcome. … In narrow rims, clincher tires also leave insufficient space between tire beads for larger Schrader valves. In contrast Schrader valves are more robust, universally used, and have an easily removable core.

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.

What size is 700C in inches?

All road and cyclocross bikes are built with 700c wheels, which are 29 inches. However, 700c wheels are designed to accommodate a thinner tire. Many come in widths ranging from 18 to 23 millimeters, with touring tires ranging from 25 to 28 millimeters.

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Will a 27.5 tube fit a 29 wheel?

No, it’ll be fine. Have you played the innertube-pump-until-it-blows game? 26ers end up like tractor tyres before they let go. Always carry a presta-valved 27.5 tube with me as a spare, can be used for 26/27.5/29 wheels with presta/schrader size valve holes so covers all bases.

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