Bicycle Gear Calculator Sheldon Brown. Calculate the speed and power requirements of different sprocket sizes for different hub and derailleur gears. Site feedback questions.
Bicycle gear size and cadence speed calculator wheel size. Sheldon brown s gear calculator which can also calculate gain ratio. Graphical gear calculator for bicycle gearing systems.
Gear ratios for these gears.
0 20 mm 23 25 28 32 35 38 44 50 56 1 00 in. Tom kunicki has a calculator with specific features useful for fixed gear and singlespeed riders. Calculate the speed and power requirements of different sprocket sizes for different hub and derailleur gears. Gear ratios for these gears.