standard / default rider 183 cm
BMW K75 vs Honda CB400 Super Four ergonomics
BMW K75 and Honda CB400 Super Four have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.
Modeled fit comparison
BMW K75
All contacts reached
Honda CB400 Super Four
All contacts reached
The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. 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 K75 lists a 759 mm seat; the Honda CB400 Super Four lists 755 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 K75 | Honda CB400 Super Four |
|---|---|---|
| Seat height | 759 mm | 755 mm |
| Wheelbase | 1,516 mm | 1,410 mm |
| Wet weight | 243 kg | 201 kg |
| Displacement | 740 cc | 399 cc |
Posture metrics
Knee angle
- BMW K75
- Sport (58.2 deg)
- Honda CB400 Super Four
- Sport (58.0 deg)
Hip angle
- BMW K75
- Neutral (92.5 deg)
- Honda CB400 Super Four
- Neutral (94.8 deg)
Elbow angle
- BMW K75
- Relaxed (143.3 deg)
- Honda CB400 Super Four
- Relaxed (143.3 deg)
Torso lean
- BMW K75
- Neutral (13.0 deg)
- Honda CB400 Super Four
- Neutral (11.5 deg)