bagger / default rider 183 cm
BMW R 18 B vs Suzuki Boulevard C90T B.O.S.S. ergonomics
BMW R 18 B and Suzuki Boulevard C90T B.O.S.S. 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 R 18 B
All contacts reached
Suzuki Boulevard C90T B.O.S.S.
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 R 18 B lists a 720 mm seat; the Suzuki Boulevard C90T B.O.S.S. lists 720 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 18 B | Suzuki Boulevard C90T B.O.S.S. |
|---|---|---|
| Seat height | 720 mm | 720 mm |
| Wheelbase | 1,695 mm | 1,675 mm |
| Wet weight | 398 kg | 363 kg |
| Displacement | 1,802 cc | 1,462 cc |
Posture metrics
Knee angle
- BMW R 18 B
- Open (113.8 deg)
- Suzuki Boulevard C90T B.O.S.S.
- Open (112.4 deg)
Hip angle
- BMW R 18 B
- Sport (80.2 deg)
- Suzuki Boulevard C90T B.O.S.S.
- Sport (80.1 deg)
Elbow angle
- BMW R 18 B
- Relaxed (143.3 deg)
- Suzuki Boulevard C90T B.O.S.S.
- Relaxed (143.3 deg)
Torso lean
- BMW R 18 B
- Neutral (8.7 deg)
- Suzuki Boulevard C90T B.O.S.S.
- Neutral (8.5 deg)