cruiser / default rider 183 cm
Moto Guzzi V9 Bobber vs QJ Motor SRV 550 ergonomics
QJ Motor SRV 550 scores 95 vs 92 for the default rider, making it the stronger ergonomic fit than Moto Guzzi V9 Bobber in this comparison.
Fit verdict
Moto Guzzi V9 Bobber
All contacts reached
QJ Motor SRV 550
All contacts reached
QJ Motor SRV 550 has the stronger default-rider fit in this generated comparison.
Rider fit: reaching the ground
The Moto Guzzi V9 Bobber has a 780 mm seat; the QJ Motor SRV 550 sits at 785 mm — a 5 mm difference. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 78 cm for the Moto Guzzi V9 Bobber and 79 cm for the QJ Motor SRV 550.
That makes the Moto Guzzi V9 Bobber the easier reach to the ground — the safer pick for shorter riders or anyone who wants both feet planted at a stop — while the QJ Motor SRV 550 gives taller riders more legroom and a more open knee bend. Load your own height and inseam into the simulator to see exactly how each one fits you.
Geometry snapshot
| Spec | Moto Guzzi V9 Bobber | QJ Motor SRV 550 |
|---|---|---|
| Seat height | 780 mm | 785 mm |
| Wheelbase | 1,465 mm | 1,440 mm |
| Wet weight | 210 kg | 206 kg |
| Displacement | 853 cc | 554 cc |
Posture metrics
Knee angle
- Moto Guzzi V9 Bobber
- Open (105.8 deg)
- QJ Motor SRV 550
- Neutral (103.8 deg)
Hip angle
- Moto Guzzi V9 Bobber
- Sport (78.3 deg)
- QJ Motor SRV 550
- Sport (78.2 deg)
Elbow angle
- Moto Guzzi V9 Bobber
- Relaxed (143.3 deg)
- QJ Motor SRV 550
- Relaxed (143.3 deg)
Torso lean
- Moto Guzzi V9 Bobber
- Neutral (7.3 deg)
- QJ Motor SRV 550
- Neutral (6.9 deg)