Road Bike Gear Ratios Chart

Ratio of the lowest gear of your setup. 0 20 mm 23 25 28 32 35 38 44 50 56 1 00 in. The three major groupset manufacturers shimano sram and campagnolo each offer a wide range of cassettes with varying ratios.

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Welcome to our site! Here we have a plenty of road bike gear ratios chart for you as your basic idea in your next Action! Feel free to download the image and use it as your guideline. However, the free road bike gear ratios chart images provided below is not given in a detailed manner.

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Add mm if required.

Road bike gear ratios chart. For example a shimano ultegra cassette is available in 11 23t 11 25t 12 25t 11 28t and 11 32t configurations so you can really fine tune your gearing. Bicycle gear size and cadence speed calculator wheel size. The original calculator page is here. Complete bicycle gear ratio chart.

Colors group similar values. The minimum gear ratio you can use with a shimano hub is 1 9 1. A 26 11 speed bike will have gears as low as 26 105 and a 700c bike will go as low as 27 111. Moving your mouse over the ratio will show speed you will achieve by pedaling at 100 rpm.

Gear ratios greater than 3 are considered large size gears. 3 is green 2 3 blue and below 2 red. Colors group similar values. Here is a complete bicycle gear ratio chart of the most commonly used bicycle chainring and cog sizes.

80 is green 50ish 80 blue and below 50 red. Shows table of all possible chainring sprocket combinations with gear ratio. The ratios are 0 40 for the mountain drive 1 65 for the speed drive and 2 50 for the high speed drive. With all of the options available to today s road cyclists it is possible to produce gear ratios that are as small as 1 0 and as large as 5 0 with increments of 0 15 0 40.

20 24 26 700c 27 650b 29 tyre dia. Ratio of the highest gear of your setup. 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. Hover over the cells to highlight and see the gearing information.

Therefore a 26 8 speed bike will have gears as low as 26 79 and a 700c bike will go as low as 27 84. If you re using a schlumpf drive plus an internal gear rear hub you should enter the actual number of teeth of the front chainring for the first chainring and this number of teeth times the schlumpf ratio for the second chainring.