# What does 700×25 mean?

## What does 700×25 mean?

Here’s the quick answer: 700x25c is the dimensions of your bicycle tire, using the ‘French system’. Let’s break it down. 700 is the nominal diameter of the bike tire, sized using millimeters. The next number, 25, is just the width of the tire (this is also measured using millimeters).

What does the C mean on inner tubes?

The first value, 622, is the bead seat diameter in millimetres. The second value, 19, is the inner rim width. The letter “C” indicates that the rim is the crochet type – the most common rim these days. (Note that those parameters describe the rim rather than the tire.)

What does 700×25 28C mean?

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. So, a “c” was almost as wide as these tires would get. …

### What’s the difference between 700 and 700C?

At one point in time, “700c” was a standard tire/rim size, where “c” indicated the bead seat diameter and “700” was the diameter, in millimeters, when the tire was installed and inflated. That “700c” tire size has a 622 millimeter bead seat diameter.

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. 650B (ISO size 584) is used for some randonneur bikes and other specialized bikes.

Is 29 the same as 700?

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

The 23s are thinner, lighter (because they are thinner), and a little faster. 25s are 2mm greater in diameter, so they are a little heavier and better on rough roads.

What is a 700c tire in inches?

Many commuters have been rolling to work on 29-inch-wheels for years. All road and cyclocross bikes are built with 700c wheels, which are 29 inches. However, 700c wheels are designed to accommodate a thinner tire.

Will a 700c tire fit a 29 rim?

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.

### What’s the difference between 700x25c and 700x28c?

In short – the 700x25C is a French nomenclature for tire size meaning tire diameter of 700mm and tire width 25mm and C is the width of the rim (A is very narrow, D is wide). Thus the number between “x” and “C” is the tire width in mm.

What does a 700c bike wheel mean on a tire?

It’s a historical relic. At one point in time, “700c” was a standard tire/rim size, where “c” indicated the bead seat diameter and “700” was the diameter, in millimeters, when the tire was installed and inflated. That “700c” tire size has a 622 millimeter bead seat diameter.

What’s the difference between a 700X and a C tire?

Thus the number between “x” and “C” is the tire width in mm. For more information you can read a section on tire sizing on Sheldon Brown page. As Mike said in his answer 700x is a obsolete French system.

## What does the number 25 mean on a bike tire?

The next number, 25, is just the width of the tire (this is also measured using millimeters). The final c refers to the width code of the bike tire (the width being what you’d see of the tire by looking at the bike when you’re standing behind it or in front of it).