# What do bike tire sizes mean?

## What do bike tire sizes mean?

Generally speaking,Bicycle tire measurements have two components. The larger number is the tire diameter in inches, and the smaller number is the tire width in inches. Tire diameter usually ranges from 12 to 26 inches, and tire width normally ranges from 1.75 to 2.215 inches.

### How do you read bike tyre size?

If you read 120/70 – 12 51 S, it means:

1. 120 indicates the width of the tyre (in millimeters)
2. 70 indicates the aspect ratio (between height and width.
3. 12 is the rim size (in inches.
4. 51 refers to the speed rating.
5. S refers to the type of construction.

#### Can you put 700C tires on 27.5 inch rims?

26 and 27.5-inch MTBs have enough clearance to accommodate 700c rims combined with a tire of an appropriate size. If the bike and the new wheels are disc brake ready, the conversion will be easier.

IS 700C same as 28?

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.

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.

## Can I put 700C wheels on a mountain bike?

You can put 700c wheels on mountain bikes designed for 26-inch MTB wheels though you will have a limited tire choice. These bikes offer the smallest clearance, and their fork arches and chainstay bridges can only accept 700c wheels that are not so big. This happens to be the typical size meant for road bike tires.

### What size wheel is 700x40c?

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