cafe-racer / default rider 183 cm
BSA Motorcycles A10 Rocket Gold Star vs Yamaha SRX400 ergonomics
BSA Motorcycles A10 Rocket Gold Star and Yamaha SRX400 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
BSA Motorcycles A10 Rocket Gold Star
95Comfortable
All contacts reached
Yamaha SRX400
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 BSA Motorcycles A10 Rocket Gold Star has a 762 mm seat; the Yamaha SRX400 sits at 760 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 76 cm for the BSA Motorcycles A10 Rocket Gold Star and 76 cm for the Yamaha SRX400.
Geometry snapshot
| Spec | BSA Motorcycles A10 Rocket Gold Star | Yamaha SRX400 |
|---|---|---|
| Seat height | 762 mm | 760 mm |
| Wheelbase | 1,422 mm | 1,390 mm |
| Wet weight | - | 168 kg |
| Displacement | 646 cc | 399 cc |
Posture metrics
Knee angle
- BSA Motorcycles A10 Rocket Gold Star
- Sport (58.0 deg)
- Yamaha SRX400
- Sport (57.9 deg)
Hip angle
- BSA Motorcycles A10 Rocket Gold Star
- Neutral (94.6 deg)
- Yamaha SRX400
- Neutral (95.4 deg)
Elbow angle
- BSA Motorcycles A10 Rocket Gold Star
- Relaxed (143.3 deg)
- Yamaha SRX400
- Relaxed (143.3 deg)
Torso lean
- BSA Motorcycles A10 Rocket Gold Star
- Neutral (11.7 deg)
- Yamaha SRX400
- Neutral (11.1 deg)