cafe-racer / default rider 183 cm
BMW R 12 S vs Triumph Thruxton 400 ergonomics
BMW R 12 S and Triumph Thruxton 400 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 R 12 S
95Comfortable
All contacts reached
Triumph Thruxton 400
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 R 12 S has a 795 mm seat; the Triumph Thruxton 400 sits at 795 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 R 12 S and 80 cm for the Triumph Thruxton 400.
Geometry snapshot
| Spec | BMW R 12 S | Triumph Thruxton 400 |
|---|---|---|
| Seat height | 795 mm | 795 mm |
| Wheelbase | 1,511 mm | 1,376 mm |
| Wet weight | 220 kg | 176 kg |
| Displacement | 1,170 cc | 398 cc |
Posture metrics
Knee angle
- BMW R 12 S
- Sport (58.2 deg)
- Triumph Thruxton 400
- Sport (57.9 deg)
Hip angle
- BMW R 12 S
- Neutral (92.8 deg)
- Triumph Thruxton 400
- Neutral (95.5 deg)
Elbow angle
- BMW R 12 S
- Relaxed (143.3 deg)
- Triumph Thruxton 400
- Relaxed (143.3 deg)
Torso lean
- BMW R 12 S
- Neutral (12.9 deg)
- Triumph Thruxton 400
- Neutral (11.0 deg)