Mountain Bike Gear Calculator
Colors group similar values.
Mountain bike gear calculator. Peter heinle has an excel spreadsheet online with the tooth counts of a large number of 10 through 13 speed cassettes. Old school 3 9 or more and more popular 2 10 or perhaps the newest addition by sram xx1 1 11. If you want more numbers including speed and cadence data. Colors group similar values.
3 is green 2 3 blue and below 2 red. Also shown is the change between gears in the cassette. More than ever people ask nowadays. The ratios are 0 40 for the mountain drive 1 65 for the speed drive and 2 50 for the high speed drive.
Next look at the top speed available with your largest gear biggest gear inches and decide if this is fast enough. What gears to choose for my bicycle. Mike sherman s gear calculator. For a mountain bike off road a top pedaling speed in the low 20s is usually more than enough.
Max speed shown is assuming a cadence of 100.