scrambler / default rider 183 cm
BSA Motorcycles Thunderbolt vs SWM Silver Vase 440 ergonomics
BSA Motorcycles Thunderbolt and SWM Silver Vase 440 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
BSA Motorcycles Thunderbolt
95Comfortable
All contacts reached
SWM Silver Vase 440
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Geometry snapshot
| Spec | BSA Motorcycles Thunderbolt | SWM Silver Vase 440 |
|---|---|---|
| Seat height | 815 mm | 815 mm |
| Wheelbase | 1,466 mm | 1,427 mm |
| Wet weight | 185 kg | 165 kg |
| Displacement | 334 cc | 445 cc |
Posture metrics
Knee angle
- BSA Motorcycles Thunderbolt
- Sport (58.1 deg)
- SWM Silver Vase 440
- Sport (58.0 deg)
Hip angle
- BSA Motorcycles Thunderbolt
- Neutral (93.6 deg)
- SWM Silver Vase 440
- Neutral (94.6 deg)
Elbow angle
- BSA Motorcycles Thunderbolt
- Relaxed (143.3 deg)
- SWM Silver Vase 440
- Relaxed (143.3 deg)
Torso lean
- BSA Motorcycles Thunderbolt
- Neutral (12.3 deg)
- SWM Silver Vase 440
- Neutral (11.7 deg)