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| Sturmey-Archer FW[1] | ||||||||
| Number of gear teeth | ||||||||
| Gear | Sun Gear 1 | Pinion to Sun 1 | Pinion to Ring 1 | Ring gear 1 | Path: 1=R to P, 2=Direct, 3=P to R | Gear Drive Ratio | Drive ratio as fraction | Ratio incre- ment |
| 1 | 30 | 14 | 14 | 60 | 1 | 0.667 | 2/3 | |
| 2 | 24 | 21 | 14 | 60 | 1 | 0.789 | 15/19 | 1.184 |
| 3 | 24 | 21 | 14 | 60 | 2 | 1.000 | 1 | 1.267 |
| 4 | 24 | 21 | 14 | 60 | 3 | 1.267 | 1 4/15 | 1.267 |