standard / default rider 183 cm
Suzuki GS550 vs Triumph Speed 400 ergonomics
Suzuki GS550 and Triumph Speed 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
Suzuki GS550
95Comfortable
All contacts reached
Triumph Speed 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 Suzuki GS550 has a 790 mm seat; the Triumph Speed 400 sits at 790 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 79 cm for the Suzuki GS550 and 79 cm for the Triumph Speed 400.
Geometry snapshot
| Spec | Suzuki GS550 | Triumph Speed 400 |
|---|---|---|
| Seat height | 790 mm | 790 mm |
| Wheelbase | 1,435 mm | 1,377 mm |
| Wet weight | - | 170 kg |
| Displacement | 549 cc | 398 cc |
Posture metrics
Knee angle
- Suzuki GS550
- Sport (58.0 deg)
- Triumph Speed 400
- Sport (57.9 deg)
Hip angle
- Suzuki GS550
- Neutral (94.3 deg)
- Triumph Speed 400
- Neutral (95.7 deg)
Elbow angle
- Suzuki GS550
- Relaxed (143.3 deg)
- Triumph Speed 400
- Relaxed (143.3 deg)
Torso lean
- Suzuki GS550
- Neutral (11.8 deg)
- Triumph Speed 400
- Neutral (11.0 deg)