Bike Gear Calculator Inches

Bicycle bike gear ratio inch speed cadence meters of development calculator using javascript for road track cyclocross and fixie.

Bike gear calculator inches. Gear inches also show what gear ratio would be achieved with a drive wheel of the given diameter in inches as the gear inch value shows with the cranks directly attached using a penny farthing design. The lower the gear inch number the easier the gear. So we get 26 3 gear inches. Old school 3 9 or more and more popular 2 10 or perhaps the newest addition by sram xx1 1 11.

Colors group similar values. That isn t quite right since the 700cx42 tires are more like 28 in diameter. Riding the gdmbr and even on the northern stretch of the natchez trace parkway i got down to 3 5mph on steeper climbs using 17 1 gear inches. Gear charts like this tend to bring out the inner weirdo extreme bike geek in all of us.

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. Gear inches is actually the diameter in inches of the drive wheel of a penny farthing bicycle with equivalent gearing instead of what i wrote. The selection of cassettes is up to date as of february 2018 for shimano sram sunrace and recent campagnolo models. The lowest that bike will go is 25 3 gear inches.

More than ever people ask nowadays. What gears to choose for my bicycle. 80 is green 50ish 80 blue and below 50 red.