# How Do You Read Bike Tire Measurements

## What do the measurements on bike tires mean?

API quota exceeded. You can make 500 requests per day.

## What does 700x25c mean?

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 is the difference between 700c and 622?

29″ / 700c (ISO 622 mm) Here we have two more common wheel sizes that are in fact, exactly the same! The standard modern road bike wheel has an ISO diameter of 622 mm and is referred to as 700c (makes sense, right? /s).

## What does 700x28c 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.

## What does 700c mean for bike tires?

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 does 700x40c mean?

700x40c is the measurement of your bicycle tire and is sized according to what used to be known as the ‘French system’. ‘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.

## Is there a 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 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.

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

Tyre widths available for the 700C/622mm size standard vary from 18 to 47mm, with popular widths such as 23, 25 and 28mm in the mix. The big-wheeled mountain bikes known as 29ers also use this size, so there are off-road tyres up to a whopping 75mm wide.

## Are 28 inch wheels the same as 700C?

28”/700C/29er The tyres can differ, but the 28”, 700C and 29er are all the exact same rim diameter. The 700 markings will be followed by the width in mm, and the 28 or 29 markings will be followed by the width in inches. This is the most common wheel size, so look out for familiar markings (such as 28×1.