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Bike Gears Lite

Free
iPhone / iPad
Genres:
  • Sports
  • Health & Fitness
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Bike Gears Lite is designed for cycling enthusiasts to calculate common gear ratio values: gear ratio, gain ratio, gear inches and development all from an intuitive native-app like interface.

It's a great tool for bike builders, mechanics, road, mountain, cyclocross or BMX riders and racers.

You can also make apples to apples comparisons between bikes using normalized ratios that correct for differences in crank lengths or wheel sizes.

Bike Gears Lite supports chainrings with 20-60 teeth and rear sprockets with 8-40 teeth. Many tire size presets are built in, or you can specify a custom tire size for ratio calculations.

Upgrade to the full version of Bike Gears to enter cadence to calculate speed, or create and share gear charts based on chainring, sprocket, crank length and tire size parameters. Save charts for later reference or share by email.