touring / default rider 183 cm
BMW K 75 RT vs BMW K100 RT ergonomics
BMW K 75 RT and BMW K100 RT 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 K 75 RT
95Comfortable
All contacts reached
BMW K100 RT
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Rider fit: reaching the ground
The BMW K 75 RT has a 810 mm seat; the BMW K100 RT sits at 810 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 81 cm for the BMW K 75 RT and 81 cm for the BMW K100 RT.
Geometry snapshot
| Spec | BMW K 75 RT | BMW K100 RT |
|---|---|---|
| Seat height | 810 mm | 810 mm |
| Wheelbase | 1,516 mm | 1,516 mm |
| Wet weight | 258 kg | 253 kg |
| Displacement | 740 cc | 987 cc |
Posture metrics
Knee angle
- BMW K 75 RT
- Neutral (75.6 deg)
- BMW K100 RT
- Neutral (75.6 deg)
Hip angle
- BMW K 75 RT
- Sport (82.2 deg)
- BMW K100 RT
- Sport (82.2 deg)
Elbow angle
- BMW K 75 RT
- Relaxed (143.3 deg)
- BMW K100 RT
- Relaxed (143.3 deg)
Torso lean
- BMW K 75 RT
- Neutral (9.0 deg)
- BMW K100 RT
- Neutral (9.0 deg)