| name | ratio / crank | weight | bearings | capacity | brake | year country |
|---|---|---|---|---|---|---|
| 500 FJ (discontinued) | 4.7:1 20"/pc | 6oz | 4+1 | 4lb/90m | 2kg | |
| 1000 FJ (discontinued) | 5.6:1 27"/pc | 7.1oz | 4+1 | 6lb/100m | 3.5kg | |
| 2500 FJ (discontinued) | 6:2.0:1 35"/pc | 10.2oz | 4+1 | 10lb/110m | 5.5kg | |
| 3000 FJ (discontinued) | 6:2.0:1 35"/pc | 9.9oz | 4+1 | 10lb/125m | 7kg | |
| 4000 FJ (discontinued) | 5.7:1 37"/pc | 14.1oz | 4+1 | 10lb/180m | 7kg |