If straight-line speed is your priority, the R 12 S takes the lead. With 45 HP more than the Speed Twin 900, 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 4kg 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 Speed Twin 900. Its seat height is 15mm lower than the R 12 S, making it much easier to flat-foot at stoplights and increasing confidence during stops. Bottom Line: While both are capable, the r12 offers a superior power-to-weight ratio, making it the more exciting machine for experienced riders.
| Spec | R 12 S | Speed Twin 900 |
|---|---|---|
| Displacement | 1170 | 900 |
| Power | 109 | 64 |
| Cylinders | 2 | 2 |
| Weight | 220 | 216 |
| Seat height | 795 | 780 |
| MSRP (US) | 22140 | 9995 |