Readers ask: What Are 700c Tires?

What does 700c mean on a bike wheel?

700c is the size of your bike tire, according to the ‘French system’. The “700” number is the stated diameter of the bicycle tire in millimeters. “c” is the width code of the tire (as you would see if you looked at your bike from behind or in front).

What is a 700c wheel 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.

Is a 29 inch wheel 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.

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IS 700c the same as 26?

A 26 inch, or a 650c wheel is about 1 inch smaller (about 2 inches smaller with road slicks) in diameter than a 700c. Some people think that because 700c wheels are the ‘standard’ for road bikes, they must be better.

What is the difference between 700 and 700C tires?

Yes they are the same. 700 is the nominal diameter of the rim. 700C is the usual standard for road bikes, but small frames or some custom builds may use a 650B.

Is a 28 inch wheel the same as 700C?

700c (622) is usually the same as 28 “, and is the same as 29″. The interesting thing about this is that 700c is smaller than 27″. A 28 ” could also be the 650B (584mm rim size), like some of us mountain bikers are using in between the 26 and 29 inch size.

What size tires can I put on a 700C rim?

On a ‘ 700c ‘ wheel, you can have a range of different widths. 23mm wide tires have been the standard for most road cycling over the past couple decades. You might see a 700x20c, or a 700x25c. On a cyclocross bike or 29-inch mountain bike, you could see tires as wide as 700x35c or 700x58c.

Is 27.5 the 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.

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Why is it called 700C?

As stated in this answer or this link, the idea was originally that there were 700A,700B, 700C tires+wheels which all had an outer diameter of 700 mm with A tires being the thinnest and C tires being the thickest (so A had the largest rim and C had the smallest rim).

Can I use 700C tires on my 29er?

Yes, there are differences in rim widths and tire cross sections but it’s unlikely that you will run into a 700C road tire that you CAN ‘T mount on your 29er rims. Yes, the smaller cross section tire will lower the bike overall.

Can you use 700C wheels on a 29er?

Any 700c tire can be mounted on any 29er rim, and vice versa. (But it’s generally a good idea not to mount a tire on a rim wider than the tire, or less than 1/3 the width of the tire.) Both the Alfine 11 wheel and a normally spaced front wheel will fit a 29er mountain bike frame just fine.

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.

Can I replace 26 wheels with 700c?

Even if 700c wheels /tires will fit your frame, your brakes will no longer line-up. They are spaced for 26 ” wheels and won’t work with 700c wheels.

Can I replace 27 wheels with 700c?

These two wheel sizes are actually very close. 27 ” wheels have a bead seat diameter of 630mm, while 700c wheels are 622mm. That’s only a 8mm difference in diameter or a 4mm difference in brake reach. Since the brakes on most 27 “-wheeled bikes are marginal, it would be wise to replace them in any case.

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Can you put 26 inch wheels on 700c?

Because bikes designed for 26 ” wheels have less ‘ wheel ‘ to fit into their frames the clearances available are vast. Whereas most 700c touring bikes struggle fitting in any tyre over 35 or even 32mm, a 26 ” frame will usually take up to a 2.40” or 60mm tyre! The point is that 26 ” wheels give you the choice!

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