Gear Ratio Calculator Bicycle Inches

For that gear set what gradient of hill you can climb given your preferred cadence weight and power capabilities.

Gear ratio calculator bicycle inches. If you know their numbers just input them below and we ll calculate it automatically for you. Why traveling cyclists care gear inches give you a way to compare the distance you travel with one revolution of the crank. This depends on the ratio between the number of. For mountain bikes today 29ers the number is 29.

What power is required to pedal at different speeds in different gears with and without a headwind. Gear ratio gear inches gear ratio is usually expressed in gear inches i e. Gear inches is one of several relative measures of bicycle gearing giving an indication of the mechanical advantage of different gears. Added option to see the gear ratio in gear inches options wheel size base gear inches.

As in a car low gearing is for going up hills and high gearing is for going fast. 80 is green 50ish 80 blue and below 50 red. What gears to choose for my bicycle. Values for gear inches typically range from 20 very low gearing via 70 medium gearing to 125 very high gearing.

For each gear ratio. The alpha one has a gain ratio of 3 7. What you are comparing is the gear ratio. The alpha one has a gear ratio of 1 8.

More than ever people ask nowadays. Also take a look at our complete bicycle gear ratio chart below to see how your size compares to other gearing options. Mechanical advantage at the rear wheel depending on gear ratio. The distance in inches covered by the rear wheel for one full turn of the pedals roughly speaking for a detailed explanation click on the link from at the beginning of this sentence.

Colors group similar values. This means that for every 1 revolution of the crank the rear wheel spins 1 8 revolutions. Simple just divide your rear cog size from your front chainring size. What speed could you achieve within your cadence range and how many gear inches does the gear equate to.

The bicycle gear calculator displays graphically the gearing of derailleur gears and gear hubs. 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. How to calculate bicycle gear ratio. Smaller gear inches mean more gear reduction.

This means that for every 1 inches the pedal travels the bicycle travels 3 7 inches. I ve included a link to an online calculator later in the article.