Mountain Bike Gear Ratio Table

Using a gear inch chart is one way to compare gear ratios without riding the bike. Gear ratio s in the bike gear ratio chart are determined by dividing the number of teeth on the front chainring by the number of teeth on the rear cog. Next look at the top speed available with your largest gear biggest gear inches and decide if this is fast enough.

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Bike Gear Ratio Chart Bicycle Gear Bmx Bicycle Bike Gear

The Bicycle Gear Calculator Displays Graphically The Gearing Of

Bike Gear Ratios What Size Should You Run Bike Gear Bike Bmx

For one revolution of the pedal your bike will travel a certain number of inches.

Mountain bike gear ratio table. 80 is green 50ish 80 blue and below 50 red. A sram 10 42 cassette has a very similar gear range but with a 32t chainring the lowest gear has a ratio of 32 42 0 762 and the highest gear has a ratio of 32 10 3 200. If you had to change to 30t chainring on the sram drivetrain you would achieve similar gear ratios as the shimano xt of 30 42 0 714 and 30 10 3 000. Colors group similar values.

Moving your mouse over the ratio will show speed you will achieve by pedaling at 100 rpm. 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. Hover over the cells to highlight and see the gearing information.

Know that this value does depend on wheel size. For a mountain bike off road a top pedaling speed in the low 20s is usually more than enough. Shows table of all possible chainring sprocket combinations with gear ratio. Ratio of the highest gear of your setup.

Here s a simple way to think about gear inch combinations. A smaller number is easier to accelerate and can still be pushed on steep climbs. Ratio of the lowest gear of your setup. A larger number indicates a large gear that is harder to turn over and is used for higher speed.

An intro to bike. To keep things simple let s look at just 29ers. Max speed shown is assuming a cadence of 100. Also shown is the change between gears in the cassette.

Colors group similar values. 3 is green 2 3 blue and below 2 red.