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Bike Gear Calculator GearRatio

Bike Gear Calculator GearRatio

#1 Bike Gear Calculator App

189 ratings
54 reviews
🔧 Utilities
⚽ Sports

Archived App (Last seen on 7 Jun 2025)

This is an archived listing of the app previously available on the App Store.

Although the app is no longer distributed by Apple, you can still view its description, screenshots, version history, ratings, and metadata for reference.

Details

  • Released
  • Updated
  • May 16, 2016
  • September 5, 2018

Features

Developer

Gaurav Kumar
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⭐54
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🔄6+ apps
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❓5 answered
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About

This application helps cyclists optimize their bike setup by calculating key performance metrics. It provides instant calculations for Gear Inches, Gear Ratio, Development, and Cadence on a single screen. Users can also estimate travel time for specific distances.

✓Gear Inches calculation
✓Gear Ratio calculation
✓Development calculation
✓Cadence calculation
✓Single screen interface
✓Travel time estimation
✓Save charts for reference
Show original description

What's New in Bike Gear Calculator GearRatio

2.0

September 5, 2018

This app has been updated by Apple to display the Apple Watch app icon. Sprocket update for latest bikes.

More

User reviews

Most RecentHighest RatedLowest Rated

Great app

Great app does everything it needs to very easy
THE_SHELLYTHE_SHELLY

Waste of time

This app is a complete waste of time .
What is the use of it ?
50yrs riding a bike50yrs riding a bike

20.150

Greatest
TrnbolTrnbol

Gear inches

This is an easy to use and accurate calculator for determining and comparing gear inches. Possibly becoming a lost art or a metric understood by fewer riders these days, gear inches are still the best method to building an efficient drive train.
bdogg62bdogg62

52T support

With 12 speed, cassettes tool simply must support up to a 52T in order to be fully useful. Also, the jumps and tire sizes are too great. There’s quite a big difference between a 50 mm and a 56 mm tire for example.
skr29erskr29er
See 49 more reviews

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FAQ

What does the Bike Gear Calculator app do?

This app helps cyclists optimize their bike's performance by calculating essential metrics like Gear Inches, Gear Ratio, Development, and Cadence. It provides these calculations on a single, easy-to-use screen. Additionally, it can estimate the time needed to travel a certain distance.

What are the key features of the Bike Gear Calculator app?

Key features include instant calculations for Gear Inches, Gear Ratio, Development, and Cadence, all displayed on one screen. It also offers travel time estimation for specific distances and the ability to save charts for future reference through an upgrade.

Is the Bike Gear Calculator app free to use?

The core functionality of the app, including the single-screen calculations for Gear Inches, Gear Ratio, Development, and Cadence, is available for free. However, advanced features like saving charts for future reference require an upgrade.

Who is the target audience for this app?

This app is designed for cyclists of all levels who want to understand and optimize their bike's gearing. Whether you're a road cyclist, mountain biker, or commuter, this tool can help you fine-tune your setup for better performance and efficiency.

How can I use this app to improve my cycling?

By understanding your Gear Inches, Gear Ratio, Development, and Cadence, you can make informed decisions about your bike's components or adjust your riding style. This can lead to more efficient pedaling, better climbing ability, and improved overall performance on your rides.