| name | ratio / crank | weight | bearings | capacity | year country |
|---|---|---|---|---|---|
| 1000FD (discontinued) | 5.0:1 | 6.3oz | 12+1 | 0.20/130m | |
| 2500FD (discontinued) | 5.2:1 | 8.3oz | 13+1 | 0.25/160m | |
| 3000FD (discontinued) | 5.2:1 | 8.6oz | 13+1 | 0.30/130m | |
| 4000FD (discontinued) | 4.8:1 | 10.4oz | 13+1 | 0.35/130m |