## What does 40-622 mean on a bike tire?

The 40 is the inflated width in mm and the 622 is the internal diameter in mm. It’s the international standard ISO-5775 for tire sizes. In brackets are the French size (700mm outer diameter x 38mm width) and the Inch size (28 outer diameter x 1 5/8 height x 1 1/2 width)

How wide is a 40C tire?

40mm wide
You’d be forgiven if you thought it was some abbreviation for a metric measurement, since the 700 represents millimeters, and a 40c tire is supposed to equate to a 40mm wide on certain width rims.

What tire size is 42 622?

Tyre size table
40-622 700×38C 27.6
42-622 700×42C 27.8
47–622 700×47C 28.2
50-622 28.4

### How wide is a 40c tire?

What does 700x45c mean?

The second measurement type (700x45c) is a 45 mm wide tire that also fits on a rim with a 622 mm bead seat diameter, the 700c is an old French sizing nomenclature based on the final external diameter being 700 mm for width class of tire (e.g., a, b, c widths).

What size tube is 40-622?

Table of bicycle tires sizes

ETRTO English Size German Size
40-622 28 x 1-5/8 x 1-3/4 28 x 1½ x 1,75
38-622 28 x 1-5/8 x 1½ 28 x 1½ x 1,75
37-622 28 x 1-5/8 x 1-3/8 28 x 1-3/8 x 1-5/8
32-622 28 x 1-5/8 x 1-1/4 28 x 1-1/4 x 1-3/4

## How wide is a 40mm tire?

1.57
Conversion between mm and inches in tire widths:

Tire (mm) Tire (inch)
40 1.57
42 1.65
45 1.77
50 1.97

What does 700c mean on a bike?

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!

What is 700x40c tire?

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.

### What size is 700C 40C?

Table of bicycle tires sizes

ETRTO English Size FRENCH SIZE
40-622 28 x 1-5/8 x 1-3/4 700 x 40C
38-622 28 x 1-5/8 x 1½ 700 x 38C
37-622 28 x 1-5/8 x 1-3/8 700 x 35C
32-622 28 x 1-5/8 x 1-1/4 700 x 32C 700C Course

What is a 40C bike tire?

You’d be forgiven if you thought it was some abbreviation for a metric measurement, since the 700 represents millimeters, and a 40c tire is supposed to equate to a 40mm wide on certain width rims.