CALCULATOR 02
GEAR INCHES
One gear. That choice is everything.
Gear inches, development per crank revolution, and speed at a given cadence. On a fixed gear this single choice defines the bike.
日本語 →3.000
Ratio
78.8
Gear inches
6.29 m
Development / rollout
34.0 km/h
Speed at 90 rpm
Gear chart (gear inches / skid patches)
| Ring \ Cog | 13T | 14T | 15T | 16T | 17T | 18T | 19T |
|---|---|---|---|---|---|---|---|
| 44T | 88.9 skid 13 | 82.6 skid 7 | 77.0 skid 15 | 72.2 skid 4 | 68.0 skid 17 | 64.2 skid 9 | 60.8 skid 19 |
| 46T | 92.9 skid 13 | 86.3 skid 7 | 80.6 skid 15 | 75.5 skid 8 | 71.1 skid 17 | 67.1 skid 9 | 63.6 skid 19 |
| 47T | 95.0 skid 13 | 88.2 skid 14 | 82.3 skid 15 | 77.2 skid 16 | 72.6 skid 17 | 68.6 skid 18 | 65.0 skid 19 |
| 48T | 97.0 skid 13 | 90.1 skid 7 | 84.1 skid 5 | 78.8 skid 1 | 74.2 skid 17 | 70.0 skid 3 | 66.4 skid 19 |
| 49T | 99.0 skid 13 | 91.9 skid 2 | 85.8 skid 15 | 80.4 skid 16 | 75.7 skid 17 | 71.5 skid 18 | 67.7 skid 19 |
| 50T | 101.0 skid 13 | 93.8 skid 7 | 87.6 skid 3 | 82.1 skid 8 | 77.3 skid 17 | 73.0 skid 9 | 69.1 skid 19 |
| 51T | 103.0 skid 13 | 95.7 skid 14 | 89.3 skid 5 | 83.7 skid 16 | 78.8 skid 1 | 74.4 skid 6 | 70.5 skid 19 |
| 52T | 105.1 skid 1 | 97.6 skid 7 | 91.1 skid 15 | 85.4 skid 4 | 80.3 skid 17 | 75.9 skid 9 | 71.9 skid 19 |
Top = gear inches, bottom = skid patches with one foot forward. Tyre presets are typical values.