Bmx Bike Gear Calculator
Click here to calculate your rollout here is a handy tool for calculating your gear ratio.
Bmx bike gear calculator. 3 is green 2 3 blue and below 2 red. The way to use this feature is to enter your main gear cog tire combo then you can see how different tires affect gearing. The selection of cassettes is up to date as of february 2018 for shimano sram sunrace and recent campagnolo models. Classic bmx gearing evolved over the years to be 44 16 which has 55 gear inches.
The bicycle gear calculator displays graphically the gearing of derailleur gears and gear hubs. The number is derived from a simple formula. We added some unique features to this bmx gear calculator that you won t see anywhere else namely. 44 16 2 75 x 19 5 53 625 gear inches 20x1 75 tire.
More than ever people ask nowadays. Classic bmx gearing evolved over the years to be 44 16 which has approximately 55 gear inches. 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. Rollout calculator and gear chart bmx ultra has created a really great rollout calculator that tells you exactly what the distance is covered by 1 full crank rotation based on your tire size and gears.
Chainring size cog size x wheel size. Once you select a. It can be used to compare different setups to find the optimal gearing for all kinds of bicycles. Of course over the years they have changed somewhat.
In the charts. The most popular gear ratios are pretty close to a 55 inch which just seems to feel best for most people. The most popular gear ratios are pretty close to a 55 inch which just seems to feel best for most people. Divide front gear by rear gear and multiply by tire diameter example.
Gear inches are used to give a numberical value to how a particular chainwheel cog combination will feel. What gears to choose for my bicycle. 44 16 gear ratio with 20x1 75 tire is the most commonly used combination in bmx for exact gear measurement.