Bicycle Wheel Size Calculator

Step by step procedure of measuring tire size step 1 stand your bike in an upright position or lean it on a wall.

Bicycle wheel size calculator. We strive to help you get the information you need about pcd offset rims and all other wheel and tire data that you need for your vehicle. Information will open in a new tab. You may find both units in the description of the bike. Unlike adult bike sizing done by frame children s bike size is done based on wheel diameter.

If you know their numbers just input them below and we ll calculate it automatically for you. Due to women generally having shorter upper bodies than men along with shorter top tubes on bikes women s bikes are made slightly different. Also take a look at our complete bicycle gear ratio chart below to see how your size compares to other gearing options. Most bicycle computer instruction manuals only list wheel size input numbers for 16 and larger wheels however bicycle computers can be used with wheels smaller than 16 if the correct wheel size is programmed into the computer using the calculator above.

If you need to convert your measurements to inches divide them by 2 54. Simple just divide your rear cog size from your front chainring size. See the spoke length calculation help page for specifics. Fat bike offset and some carbon rims require corrections prior to calculating the spoke length.

It is important. Custom offsets play with specs below try different settings compare results. Spoke calculator does not calculate length for straight pull spokes. Rim tire size calculator.

A bicycle computer can be used on an electric scooter or go kart if the correct wheel size is programmed into it. The deciding factor for the size of a bicycle is the frame in particular the seat post the distance from the center of the bottom bracket to the top of the seat post. Alternatively skip ahead and use the bike size calculator to find the right size and type of bike for you. Since october 2018 there has been 6723 individual calculations.

The ultimate spoke length calculator for bicycle wheels the spoke calculator is very accurate and easy to use. This guide is accurate and is updated on a daily basis. Generic wheel size calculator to compute bicycle tire circumference for your bike computer value to enter if you want to see mph on sigma units without auto conversion. With 1465 hubs and rims in the database you can quickly select your chosen parts or enter your own measurements.

Not all 24 wheels were created equal try to find the iso etrto number and use that. Women s bike sizes chart. To calculate your bike frame size take your inseam in centimeters and multiply it by 0 575 for mountain bikes 0 665 for road bikes and 0 645 for trekking bikes. Results your calculated data will show here.