standard / default rider 183 cm
Triumph Bonneville 800 vs Triumph Thunderbird Sport 900 ergonomics
Triumph Bonneville 800 and Triumph Thunderbird Sport 900 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 Bonneville 800
95Comfortable
All contacts reached
Triumph Thunderbird Sport 900
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 Triumph Bonneville 800 has a 775 mm seat; the Triumph Thunderbird Sport 900 sits at 775 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 78 cm for the Triumph Bonneville 800 and 78 cm for the Triumph Thunderbird Sport 900.
Geometry snapshot
| Spec | Triumph Bonneville 800 | Triumph Thunderbird Sport 900 |
|---|---|---|
| Seat height | 775 mm | 775 mm |
| Wheelbase | 1,493 mm | 1,550 mm |
| Wet weight | - | - |
| Displacement | 790 cc | 885 cc |
Posture metrics
Knee angle
- Triumph Bonneville 800
- Sport (58.1 deg)
- Triumph Thunderbird Sport 900
- Sport (58.3 deg)
Hip angle
- Triumph Bonneville 800
- Neutral (93.1 deg)
- Triumph Thunderbird Sport 900
- Neutral (91.8 deg)
Elbow angle
- Triumph Bonneville 800
- Relaxed (143.3 deg)
- Triumph Thunderbird Sport 900
- Relaxed (143.3 deg)
Torso lean
- Triumph Bonneville 800
- Neutral (12.7 deg)
- Triumph Thunderbird Sport 900
- Neutral (13.5 deg)