naked / default rider 183 cm
Triumph Speed Four vs Yamaha MT-125 ergonomics
Triumph Speed Four and Yamaha MT-125 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Triumph Speed Four
95Comfortable
All contacts reached
Yamaha MT-125
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Geometry snapshot
| Spec | Triumph Speed Four | Yamaha MT-125 |
|---|---|---|
| Seat height | 810 mm | 810 mm |
| Wheelbase | 1,394 mm | 1,325 mm |
| Wet weight | - | 142 kg |
| Displacement | 599 cc | 124 cc |
Posture metrics
Knee angle
- Triumph Speed Four
- Sport (61.5 deg)
- Yamaha MT-125
- Sport (61.3 deg)
Hip angle
- Triumph Speed Four
- Neutral (92.8 deg)
- Yamaha MT-125
- Neutral (94.6 deg)
Elbow angle
- Triumph Speed Four
- Relaxed (143.3 deg)
- Yamaha MT-125
- Relaxed (143.3 deg)
Torso lean
- Triumph Speed Four
- Neutral (12.0 deg)
- Yamaha MT-125
- Neutral (10.9 deg)