Bicycle Wheel Tyre Sizes Explained

Because of the high pressure and desired low rolling resistance road tires come in narrow widths.

Bicycle wheel tyre sizes explained. Cycle tyre sizes explained. For the width the size is between 1 75 2 215 inches. It is important that we understand tire geometry and be informed of the parameters that govern their performance. The size in inches with three numbers such as 28 1 1.

Simply buy exactly the. Here we have two more common wheel sizes that are in fact exactly the same. 28 622 which means 28mm tyre width on rims with 622mm inner bead seat diameter. Generally speaking a width of 25mm will work.

However the most common 26 wheel which is denoted by 26 1 0 or 559mm bsd does not have a designated french size. Some bikes especially triathlon bikes are available with wheel diameters of 650 or 650c. The letter at the end of a tire size is a throwback to an old french system when the letters a b and c designated different inner tire diameters it does not stand for cm. 23c 25c and 28c their width in mm.

Tire sizes are defined by specifications such as the type width aspect ratio speed. The standard modern road bike wheel has an iso diameter of 622 mm and is referred to as 700c makes sense right. When it comes to choosing width there are two major factors at play. Tire size specifications are outlined by the numbers and letters found on the sidewall of tires.

Road bike tires generally come in three widths. First is what will fit your bike and wheels and second is what best fits your riding style for comfort and speed. It should be easy. For the width the size is between 1 75 2 215 inches.

Road tires generally come in the size 700c which roughly equals 700 millimeters. Here they are in a table to make them a little easier to comprehend. Although bicycle tires are available in vastly different sizes a majority have their diameter falling between 12 26. Some older road bikes still have the 27 inch size.

Thursday 5 july 2018. For more explanation on sizing see. Are you confused by the markings on your tyres. What do all the numbers mean.

The history of that name would need a whole other blog post to fully explain but the short version is that it came from international tire sizes where the outside diameter would be approximately 700mm and multiple rim sizes would be labeled 700a 700b 700c etc. For most utility bicycles 622mm is the common inner rim diameter. For 622mm rims the common tyre section widths vary from 18 to 47mm with 25mm to 37mm most useful for utility cyclists. Last updated april 11 2019.

Tire size chart for bicycle rim when it is time to replace your well worn tires it is a good opportunity to unlock the full potential of your wheels by trying something new. The size in inches with two numbers for example 28 1 where the first number indicates the outside diameter of an inflated tyre in nominal inches and the second number indicates the height from the bead to the top as well as the width. This chart will provide guidance on what tires sizes can match your internal rim width. How do you know what size tyres will fit your bike.

A guide to cycle tyre sizes. Ctc tyre sizes. You can also find varying widths denoted as 700x30c etc.