

If you can’t remember every number of cogs in your cassette, below is a list of standard cassette sizes for popular brands of groupsets. There are usually 10 to 12 sprockets on the cassette, depending on the brand of your groupset. Examples of cassette sizes are 11-28, 11-30, 11-34, and so on.

Chainring is the number of teeth on the front sprockets of your bike by the crank arms.You need a cadence sensor to find your natural cadence, but most cyclists pedal at 80-95 RPM

Cadence is how many revolutions your pedals make per minute, or how fast you pedal your bike.This number can be found on the side of your tire as well. Tire Size is the width of your tires in millimeters.You can find this measurement by looking at the side of your tire. Rim Size is the diameter of your wheel.If you’re unsure about what to input, here’s a short guide that might help: Press the calculate button for your results. Choose the size of your bike wheel and the size of your tires, then input your preferred cadence, and finally input the number of teeth on your chainrings and cassette. To use the bicycle gear ratios calculator, follow this step.
