What is the C in bike tires?

Typical road bike tire: 700 x 32c indicates a tire that has an outer diameter of 700mm and a width of 32mm. (Note that the “c” does not stand for centimeters; it’s a holdover from an old French system that designated tire sizes using the letters a, b and c.)

What does 700x32c mean?

700x32c means a 700c tyre which is 32mm wide. … So a tube that says 700 X 28/32C will fit tires that range in size from 700 X 28C up to 700 X 32C. 700 is in reference to the diameter of the wheel while the other number is in reference to the width of the tire. The other aspect of getting a tube is the valve.

What is 700x 38c?

In basic terms, a 700x38c tire is approximately 27 1/2 inches by 1 1/2 inches (or 1.50 inches). Easy, yeah? Sadly, things aren’t always quite as simple when it comes to bicycle tires.

What does 700×23 25c mean?

Some manufacturers (e.g., Specialize) offer two width measurements (e.g., 700×23/25c) to indicate that the carcass is 25 mm wide, but that the tread patch is equivalent to a 23 mm tire. … A tire profile that is perfectly found tire will be the same in both.

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What is a 25c tire?

Basically, it was a measure of the width of an inflated bike tire. … Sizes 23c and 25c indicate road/racing tires; 28c to 32c indicate tires that will work on pavement, but also gravel; above 32c, the tires are good for off-road, mountain bikes, &c.

Is 700 the same as 28?

700 mm is roughly 27.5 inches, so if you mounted a reasonable tire on it, you’d get around 28 inches (hence the name 28″). For mountain bikes, you’d get a bigger tire giving an outside diameter of 29″+. … If its being used on a road bike or hybrid, 700c is also a good way to refer to it.

What does 700 mean on a bike tire?

700C tires

The “700” refers to the rough outer diameter of the tire, although the actual outer diameter will vary greatly, depending on the type of tire and tread pattern. The “C” means NOTHING; it does not stand for “centimeters.” Think about it–a 700-centimeter tire would be HUGE, over 21 feet tall!

Is 27.5 same as 700C?

Just as a 700C wheel is the same diameter as a 29” (29er) wheel, 650B shares the exact same rim diameter as 27.5”. … 27.5”/650B rims have a bead seat diameter of 584mm, and 29”/700C rims have a bead seat diameter of 622mm.

What is the difference between 700 and 700C tires?

700 is the outer diameter in mm. 38 is the sectional width and “C” is the French tire size which designates an inner diameter of 622mm. 700C is used as a generic term for this size tire, but if the width is given then it should be placed at the end.

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IS 700C 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.

What does the C mean in 700x23c?

700x23c simply means the dimensions of your bike tire, under what’s known as the ‘French system’. … The “c” bit is (these days) fairly obsolete, but was part of the old French classification system that designated widths of bike tires from the narrowest, known as “a”, to the widest, known as “d”.

What’s the difference between 700×23 and 700×25?

There is very little difference between most 700×23 and 700×25 tires. Some manfacturers tires tend to run a little small in some models (my latest continentai 23’s are actually more like 20’s) If your bike came with 23’s you can run 25’s with no worries. and vice-versa.

What’s the difference between 700×23 and 700x23c?

700×23 and 700x23C and 700C x 23 and 700x23c and 700x23c all mean the same size of tire. They are indeed the same size of tire. For some reason, the “c” gets shuffled about, sometimes being put after the 700, sometimes being put after the tire width (in this case, 23mm), etc.

Can you put 25C Tyres on a 23 rim?

Those numbers are all tire sizes. … 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.

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Are 28mm tires faster than 25mm?

‘Also a 28mm tubeless tyre is the fastest setup [in rolling resistance tests]. At 40kmh a high-quality clincher tyre with a latex inner tube is about 2 watts slower. … Comparing rolling resistance, a 25mm tubeless tyre at 95-100psi is the same as a 30mm tubeless tyre at 72-80psi. ‘

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