Gravel Bike Gear Ratio Calculator
| Gear Ratio | Front Chainring (Teeth) | Rear Cog (Teeth) | Gear Ratio (Front/Rear) |
|---|---|---|---|
| 1 | 42 | 11 | 3.82 |
| 2 | 42 | 13 | 3.23 |
| 3 | 42 | 15 | 2.80 |
| 4 | 42 | 17 | 2.47 |
| 5 | 42 | 19 | 2.21 |
| 6 | 42 | 21 | 1.94 |
| 7 | 42 | 24 | 1.75 |
| 8 | 38 | 11 | 3.45 |
| 9 | 38 | 13 | 2.92 |
| 10 | 38 | 15 | 2.53 |
| 11 | 38 | 17 | 2.24 |
| 12 | 38 | 19 | 2.00 |
| 13 | 38 | 21 | 1.81 |
| 14 | 38 | 24 | 1.58 |