# How To Figure Out Bike Tire Size?

Method 1 of 3: Using the Standard Method to Measure the Tire

1. Leaning the bike against a wall or utilizing the kick stand will help to keep it upright.
2. Measuring the distance between the ground beneath the tire and the center point of the wheel in inches is necessary. This measurement is the radius of the wheel, which is equal to half of its diameter.
3. From one side of the tire to the other, measure the flat section of the tire across the tread.

The end of the tape measure should be held against the center of the bicycle wheel, and the tape measure should be extended in a straight line to the outside border of the tire. For standard size, multiply the inches by two to get the diameter of the bike tire.

## How to measure bike tire diameter?

Take a Measure of the Diameter Place a tape measure against the center of the wheels while the bike is in a stable position. Following that, stretch the tape securely and straight towards the inner border of the tire, as specified by ISO regulations. The radius, on the other hand, is the reading you’ll receive. As a result, you should multiply the number by two to obtain its circumference.

## What is the tire calculator?

This is made possible with the use of our tire calculator. Simply enter any tire size and hit the calculate button. It also addresses the problem of determining what tire to run if you have an inch tire measurement in mind but are unable to locate a manufacturer that makes that inch tire size due to a lack of available options.

You might be interested:  How To Tighten Headset On Mountain Bike? (Solution)

## What size tires do I need for a road bike?

It is necessary to choose the appropriate frame size. The frame size should be between 49 and 50 cm in length, according to our characters. This falls under the XS category. Inquire with your bike dealer to see if they carry this size. All road bikes feature 700c tires, which are the most common size.

## How do you calculate bike frame size?

1 bicycle frame for city/trail riding Trekking frame size equals inseam multiplied by 0.64 2 frames for road bicycles Road frame size = inseam multiplied by 0.67 This is the formula developed by Cyrille Guimard, a well-known French coach and former professional cyclist, in the 1980s. 3 mountain bike frames are available.