Bicycle Gear Ratio Calculator Excel

Also take a look at our complete bicycle gear ratio chart below to see how your size compares to other gearing options.

Bicycle gear ratio calculator excel. What gears to choose for my bicycle. Simple just divide your rear cog size from your front chainring size. Drive ratios of bicycle hub gears what s new. Old school 3 9 or more and more popular 2 10 or perhaps the newest addition by sram xx1 1 11.

What speed could you achieve within your cadence range and how many gear inches does the gear equate to. Tom kunicki has a calculator with specific features useful for fixed gear and singlespeed riders. Saving tables as an excel spreadsheet. For each gear ratio.

Site feedback questions. This handy little calculator can tell you that plus many more combinations. So 15 revs in 10 seconds is 18mph 12 revs in 10 seconds is about 14mph etc. Bicycle gear ratio comparison calculator how does a 3 9 compare to a 2 10 or 1 11 drivetrain.

Added option to see the gear ratio in gear inches. New excel gear calculator for anyone interested i reworked my excel gear calculator with more information and i think. And meters of development. The original calculator page is here.

Chainstay mm advanced options tire size crank mm find solutions. What power is required to pedal at different speeds in different gears with and without a headwind. Every 5 pedal revolutions in the 10 second period amounts to about 6 mph for my gear ratio. How to calculate bicycle gear ratio.

For example a 42x25 combination has 27x 42 25 45 4 gear inches. Cadence needed for a given speed in a range of gears. Bicycle bike gear ratio inch speed cadence meters of development calculator using javascript for road track cyclocross. Backing out the gear ratio gives c dx b f 108x 13 52 27 inches as the diameter of your tire.

Gates carbon drive bicycle calculator get your design guide here. Front chainring teeth rear cog teeth gear ratio. For that gear set what gradient of hill you can climb given your preferred cadence weight and power capabilities. Rabbit a singlespeed and fixed gear calculator john allen has pages giving exact fractional ratios calculated from gear tooth counts.

Bicycle gear size and cadence speed calculator. Multiply c by any gear combination fxb to get its gear inches. If you know their numbers just input them below and we ll calculate it automatically for you. Check your work with an online gear ratio calculator or table see resources.