Bicycle Gear Ratio Calculator
Colors group similar values.
Bicycle gear ratio calculator. Bicycle gear size and cadence speed calculator wheel size. Bicycle gear ratio comparison calculator how does a 3 9 compare to a 2 10 or 1 11 drivetrain. Hover over the cells to highlight and see the gearing information. The bicycle gear calculator displays graphically the gearing of derailleur gears and gear hubs.
Ratio of the highest gear of your setup. What power is required to pedal at different speeds in different gears with and without a headwind. Add mm if required. For each gear ratio.
3 is green 2 3 blue and below 2 red. This handy little calculator can tell you that plus many more combinations. 20 24 26 700c 27 650b 29 tyre dia. The original calculator page is here.
Ratio of the lowest gear of your setup. Colors group similar values. 20 is green 10ish 20 blue and below 10 red. It can be used to compare different setups to find the optimal gearing for all kinds of bicycles.
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. Moving your mouse over the ratio will show speed you will achieve by pedaling at 100 rpm. The selection of internal gear hubs in the calculator is complete except for one a few new models whose gear ratios have not been made public and some very rare antiques. Here is a complete bicycle gear ratio chart of the most commonly used bicycle chainring and cog sizes.
What speed could you achieve within your cadence range and how many gear inches does the gear equate to. 80 is green 50ish 80 blue and below 50 red. Colors group similar values. Shows table of all possible chainring sprocket combinations with gear ratio.