Combining precise calculations and an intuitive design, BikeCalc provides you everything you need to analyze and optimize the gearing on your bicycle, saving you time, guesswork and potentially a costly mistake.

- Gear Ratios. BikeCalc offers a wide range of gear sizes for BMX, CX, MTB, road bikes, track bikes, fixies, recumbents and many more.

- Gear Inches. BikeCalc provides the customary gearing system still in use today by most English speaking countries.

- Development Meters. BikeCalc provides the metric based gearing system used by the UCI governing body for international competitive cycling events.

- Gain Ratios. BikeCalc supports the newest gearing system proposed by the renowned expert bicycle mechanic Sheldon Brown.

- Skid Patches. BikeCalc allows fixed gear riders who skid stop to extend the lifespan of their rear tire by increasing the number of skid patches.

- Tire Sizes. BikeCalc follows the ISO 5775 specifications and provides a convenient table to convert older tyre sizes.

BikeCalc makes it easy to optimize the gearing on your bicycle. You can also calculate your speed at a particular cadence for each gear. Plus, you can manage all your gearing configurations in one place. And there are articles helping you every step of the way.

- Find the gear that works for you. Make informed decisions about your bicycle gearing based on your needs.

- Calculate your speed at a given cadence. Plan your next assault and get ready to smash your Strava KOM/QOMs.

- Save more than one configuration. Keep track of all your configurations for different cycling disciplines and events.

- Share your gear configurations. Let your coach, teammates or cycling friends know what gearing you're on.

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