touring / default rider 183 cm
BMW K100 RT vs BMW R80RT Mono ergonomics
BMW K100 RT has the higher modeled posture score (95 vs 90) for the 183 cm default rider compared with BMW R80RT Mono. 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 K100 RT
All contacts reached
BMW R80RT Mono
All contacts reached
BMW K100 RT 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 K100 RT lists a 810 mm seat; the BMW R80RT Mono lists 810 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 K100 RT | BMW R80RT Mono |
|---|---|---|
| Seat height | 810 mm | 810 mm |
| Wheelbase | 1,516 mm | 1,466 mm |
| Wet weight | 253 kg | 235 kg |
| Displacement | 987 cc | 798 cc |
Posture metrics
Knee angle
- BMW K100 RT
- Neutral (75.6 deg)
- BMW R80RT Mono
- Sport (74.6 deg)
Hip angle
- BMW K100 RT
- Sport (82.2 deg)
- BMW R80RT Mono
- Sport (83.4 deg)
Elbow angle
- BMW K100 RT
- Relaxed (143.3 deg)
- BMW R80RT Mono
- Relaxed (143.3 deg)
Torso lean
- BMW K100 RT
- Neutral (9.0 deg)
- BMW R80RT Mono
- Neutral (8.3 deg)