sport-touring / default rider 183 cm
BMW K1100RS vs Buell S3T Thunderbolt ergonomics
BMW K1100RS and Buell S3T Thunderbolt 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 K1100RS
95Comfortable
All contacts reached
Buell S3T Thunderbolt
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 K1100RS has a 800 mm seat; the Buell S3T Thunderbolt sits at 800 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 80 cm for the BMW K1100RS and 80 cm for the Buell S3T Thunderbolt.
Geometry snapshot
| Spec | BMW K1100RS | Buell S3T Thunderbolt |
|---|---|---|
| Seat height | 800 mm | 800 mm |
| Wheelbase | 1,565 mm | 1,397 mm |
| Wet weight | 268 kg | 233 kg |
| Displacement | 1,093 cc | 1,203 cc |
Posture metrics
Knee angle
- BMW K1100RS
- Sport (58.2 deg)
- Buell S3T Thunderbolt
- Sport (57.7 deg)
Hip angle
- BMW K1100RS
- Neutral (88.4 deg)
- Buell S3T Thunderbolt
- Neutral (91.7 deg)
Elbow angle
- BMW K1100RS
- Relaxed (143.3 deg)
- Buell S3T Thunderbolt
- Relaxed (143.3 deg)
Torso lean
- BMW K1100RS
- Neutral (14.4 deg)
- Buell S3T Thunderbolt
- Neutral (12.5 deg)