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Ride PSI - Bike Tire Pressure
Ride PSI - Bike Tire Pressure Vs. Track Gear Calculator

Ride PSI - Bike Tire Pressure vs Track Gear Calculator Usage & Stats

Ride your bike comfortably without sacrificing performance. Let Ride PSI individually calculate the optimal tire pressure for your bike's front and rear tires. The PSI calculator can optimize tire pressure for a race, city, or randonneur bike. Supports three weight units: Pounds, Kilograms, and Stones. Pressure units supported are PSI and Bars. These can be configured under the Settings tab.

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Track Gear Calculator

Tired of carrying a gear chart to the velodrome every day, or searching the web for one every time you change gears? Then you need a gear calculator on your iPhone and your Apple Watch. Built by track racers for track racers, the Track Gear Calculator supports chainrings from 44 to 70 teeth and cogs from 8 to 20 teeth. It includes a speed/cadence calculator, and can calculate the next gear up or down using only the gears in your track bag. Want a bigger gear or a smaller gear? Track Gear Calculator works in reverse, too: just swipe the gear inches, and you'll get a new gear, up or down from where you are, using only the chainrings and cogs you have with you. You can also select from the standard 27" nominal method for calculating gears, or more accurate actual wheel diameters, and you can see results in either Imperial gear inches or Metric development.