Check your tire sidewall for width, and choose the right tube accordingly
– shown as 700 x 23c etc. A typical road tube box may say 700-18/23c or 700-25/32c. Make sure your tire fits within the range – easy!
How do I know my bike inner tube size?
The size is almost always written somewhere on the sidewall of the tyre
. Inner tubes typically state a wheel diameter and width range for which they will work, e.g. 26 x 1.95-2.125′′, indicating that the tube is intended to fit a 26 inch tyre with a width of between 1.95 inches and 2.125 inches.
What does 700x28c mean?
700 refers to the diameter of the wheel. Almost all road bikes have 700c wheels on them. 700x28c means
a 700c tyre which is 28mm wide
. 700x32c means a 700c tyre which is 32mm wide.
Are all bike tubes the same size?
While you can find a variety of bikes with wheel sizes ranging from 16 to 27.5 inches, the most common sizes include 26 inches, 27.5 inches, 29 inches and 700c.
Tubes can range anywhere from 1 to 3 inches or 19 to 45 millimeters, depending on the type of wheels you have
.
What size tube fits a 700x40c tire?
So if you have bike tires that are 700 x 40C, you need to get inner tubes which come with a size range of
700 x 35 c to 70 x 43c
.
How do you fit an inner tube?
What does 700x38c mean?
The 700 signifies the nominal or outer tire diameter while the 38 represents the tire width, both expressed in millimeters. So, a tire measuring 700x38c means
its outer diameter is 700mm while its width is 38mm
.
What do numbers on bike inner tube mean?
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. The range for widths is usually between 1 and 3 inches.
What size bike tire is 700x28c?
700x28c simply means
the size of your bicycle tire
, according to what’s known as the ‘French system’. “700” is the overall diameter of the bike tire, measured in millimeters. The “c” is part of the old French system that classified widths of tires from “a” (being the narrowest) to “d” (which was the widest).
What is a 28C bike tire?
Choosing your road tyre width
Road bicycle tyres generally come in three widths: 23c, 25c and 28c – this number refers to
the width of the tyre at their widest point, in millimetres
i.e. 23mm, 25mm and 28mm.
Can I use bigger inner tubes?
Yes, it’s perfectly safe to use the next larger size tube in a smaller tire
. It’s a common trick used by bike messengers to reduce the chance of flats. The only downside is a slightly heavier wheel since you’re using more tube that you really need.
Can I use a smaller inner tube?
Most cyclists panic when they buy an inner tube bigger or smaller than the bike tire. But does the inner tube size have to match the tire? The inner tube doesn’t have to match the tire size. That means
you can use a smaller or bigger tube, provided that it’s one size bigger or smaller
.
Can I use a smaller tube in my bike tire?
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.
What does 40C mean for bike tires?
700′ is the nominal diameter of your tire, measured in millimeters. ‘x’ just means multiplied by. ’40’ is the second number and is the
nominal tire width
, also measure in millimeters. ‘c’ is the identification code (from the old French system) for the tire width.
How do I know my bike tire size?
What size is 700x42c?
Only the 700×42 will fit properly, the
28(inch) x 1.6(inch)
tire is slightly larger in diameter than the 700c and just slightly narrower than the 42c (1.65 inch). The width measurement will probably not be a problem, but the difference in diameter might present some problems with the seating of the bead into the rim.
What size inner tube should I get?
The best way to check what size inner tube you need is to
look on the sidewall of your tyre
. Tyre manufacturers print the size on the sidewalls, so look out for numbers such as ‘700x23c’ for a road bike, or ’26×1. 75′ which is for mountain bikes.
How do you put a tube on a bike?
How do you replace an inner tube on a bike?
What size bike tire is 700x38c?
Here’s the quick answer: In basic terms, a 700x38c tire is approximately
27 1/2 inches by 1 1/2 inches
(or 1.50 inches).
Will a 26 inch tube fit a 700C?
This brings us around back to the same answer; they are the same diameter, but
a 26-inch tire will fit onto a 700c rim
but not the other way around because of the difference in rim thickness.
Are 29 inch wheels the same as 700C?
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. 650B (ISO size 584) is used for some randonneur bikes and other specialized bikes.
