sport-touring / default rider 183 cm
BMW R100RS vs Ducati ST4 ergonomics
BMW R100RS and Ducati ST4 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
BMW R100RS
95Comfortable
All contacts reached
Ducati ST4
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Geometry snapshot
| Spec | BMW R100RS | Ducati ST4 |
|---|---|---|
| Seat height | 820 mm | 820 mm |
| Wheelbase | 1,466 mm | 1,430 mm |
| Wet weight | 230 kg | - |
| Displacement | 980 cc | 916 cc |
Posture metrics
Knee angle
- BMW R100RS
- Sport (57.9 deg)
- Ducati ST4
- Sport (57.8 deg)
Hip angle
- BMW R100RS
- Neutral (90.1 deg)
- Ducati ST4
- Neutral (90.9 deg)
Elbow angle
- BMW R100RS
- Relaxed (143.3 deg)
- Ducati ST4
- Relaxed (143.3 deg)
Torso lean
- BMW R100RS
- Neutral (13.3 deg)
- Ducati ST4
- Neutral (12.9 deg)