If straight-line speed is your priority, the 790 Duke takes the lead. With 14 HP more than the Trident 660, it offers a more spirited ride that will be noticeable on highway overtakes or track days. Both bikes share a similar footprint on the scale, with only a negligible 0kg difference between them, so handling characteristics will depend more on center-of-gravity than raw weight. Riders with a shorter inseam should lean towards the Trident 660. Its seat height is 20mm lower than the 790 Duke, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the 790duke offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | 790 Duke | Trident 660 |
|---|---|---|
| Displacement | 799 | 660 |
| Power | 94 | 80 |
| Cylinders | 2 | 3 |
| Weight | 189 | 189 |
| Seat height | 825 | 805 |