Road Bike Gear Ratio Speed Calculator

Hover over the cells to highlight and see the gearing information.

Road bike gear ratio speed calculator. Instagram 2020 all rights reserved. This calculator assumes you know the vehicle s transmission ratio. It can be used to compare different setups to find the optimal gearing for all kinds of bicycles. Shows table of all possible chainring sprocket combinations with gear ratio.

Add mm if required. How to choose the right gear ratios for your road bike gear ratios can make or break your ride so choosing the right ones for you is vital to getting the most out of cycling. Here is a complete bicycle gear ratio chart of the most commonly used bicycle chainring and cog sizes. 20 24 26 700c 27 650b 29 tyre dia.

20 is green 10ish 20 blue and below 10 red. 0 20 mm 23 25 28 32 35 38 44 50 56 1 00 in. Bicycle gear size and cadence speed calculator wheel size. Colors group similar values.

The original calculator page is here. 3 is green 2 3 blue and below 2 red. Ratio of the lowest gear of your setup. Moving your mouse over the ratio will show speed you will achieve by pedaling at 100 rpm.

Colors group similar values. 1 25 1 5 1 75 1 95 2 00 2 10 2 125 2 20 2 25 2 30 2 35 2 40 â ƒother in. Hpv drivetrain analyzer note the page is available in the internat archive but the calculator doesn t work. This calculator will provide the speed of the vehicle based on the transmission gear ratio the engine rpm the tire height and the ring gear and pinion gear ratio in the rear end axle differential housing.

If you want more numbers including speed and cadence data jake odell has a more elaborate gear calculator.