Gear Ratio Calculator Archives

Bike Gear Ratio Calculator and Charts

April 12, 2023November 17, 2021 by Jerry O

Bike Gear Ratio Calculator Our bike gear calculator will assist you in selecting chainrings and cogs. Many modern bicycles have a variety of gears, so there are many possible bike gear ratios to consider. Choose the range of interest and see which combination is ideal for your cycling habits and circumstances. As a consequence, you … Read more

Bicycle Gear Ratio Dynamic Chart

April 12, 2023May 1, 2021 by Rhodes Perry

The calculations below are approximate for 700c & 27 Inch wheels. To calculate the exact gearing, divide the number of chainring teeth by the number of sprocket teeth and multiply the answer by the actual rolling diameter of the tyred wheel. (Divide actual rolling circumference by 3.142 to calculate rolling diameter)