1. What is Gear Ratio?

Gear ratio is a comparison of the number of teeth between the chainring (front gear) and cog (rear gear) on a bicycle. It determines how many times the rear wheel rotates for each pedal revolution.

2. How Does the Calculator Work?

The calculator uses the gear ratio formula:

Where:

• \( Chainring \) — Number of teeth on the front chainring
• \( Cog \) — Number of teeth on the rear cog

Explanation: A higher ratio means more distance per pedal revolution but requires more effort. A lower ratio provides easier pedaling but less distance per revolution.

3. Importance of Gear Ratio Calculation

Details: Understanding gear ratios helps cyclists choose appropriate gearing for different terrain, optimize pedaling efficiency, and select the right components for their riding style.

4. Using the Calculator

Tips: Enter the number of teeth on your chainring and cog. Both values must be positive integers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What is a good gear ratio for climbing hills?
A: Lower ratios (smaller chainring or larger cog) are better for climbing as they require less effort per pedal stroke.

Q2: How does gear ratio affect speed?
A: Higher ratios allow for higher speeds with the same pedaling cadence but require more force to turn the pedals.

Q3: What's the difference between gear ratio and gear inches?
A: Gear inches incorporates wheel size into the calculation, providing a more complete picture of the mechanical advantage.

Q4: Can I use this calculator for any type of bicycle?
A: Yes, this calculator works for road bikes, mountain bikes, hybrids, and any other bicycle with chain-driven gearing.

Q5: What is considered a "high" gear ratio?
A: Typically, ratios above 4.0 are considered high gears, suitable for flat terrain and descending.