naked / default rider 183 cm
BMW R 1250 R vs KTM 390 Duke ergonomics
KTM 390 Duke has the higher modeled posture score (100 vs 95) for the 183 cm default rider compared with BMW R 1250 R. Treat this as a planning estimate, not a comfort or purchase verdict; compare the source confidence and confirm both bikes in person.
Modeled fit comparison
BMW R 1250 R
All contacts reached
KTM 390 Duke
All contacts reached
KTM 390 Duke scores higher for the 183 cm default rider in this model. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.
Rider fit: reaching the ground
The BMW R 1250 R lists a 820 mm seat; the KTM 390 Duke lists 820 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.
Geometry snapshot
| Spec | BMW R 1250 R | KTM 390 Duke |
|---|---|---|
| Seat height | 820 mm | 820 mm |
| Wheelbase | 1,512 mm | 1,357 mm |
| Wet weight | 239 kg | - |
| Displacement | 1,254 cc | 399 cc |
Posture metrics
Knee angle
- BMW R 1250 R
- Sport (62.0 deg)
- KTM 390 Duke
- Neutral (78.4 deg)
Hip angle
- BMW R 1250 R
- Neutral (90.0 deg)
- KTM 390 Duke
- Neutral (123.2 deg)
Elbow angle
- BMW R 1250 R
- Relaxed (143.3 deg)
- KTM 390 Duke
- Relaxed (143.3 deg)
Torso lean
- BMW R 1250 R
- Neutral (13.9 deg)
- KTM 390 Duke
- Neutral (18.7 deg)