cafe-racer / default rider 183 cm
BSA Motorcycles A10 Rocket Gold Star vs Moto Guzzi 850 Le Mans ergonomics
BSA Motorcycles A10 Rocket Gold Star and Moto Guzzi 850 Le Mans have modeled posture scores within three points for the 183 cm default rider. Treat this as a planning estimate; posture preference, data confidence, and a real test sit still matter.
Modeled fit comparison
BSA Motorcycles A10 Rocket Gold Star
All contacts reached
Moto Guzzi 850 Le Mans
All contacts reached
The modeled scores are within three points, so the result does not distinguish a higher-scoring bike. Treat the result as a planning estimate and compare each bike's geometry confidence before a real test sit.
Rider fit: reaching the ground
The BSA Motorcycles A10 Rocket Gold Star lists a 762 mm seat; the Moto Guzzi 850 Le Mans lists 762 mm, within a few millimetres of each other. Seat height is only a first-pass ground-reach input. It does not establish safety or actual foot contact. Seat width, suspension sag, boots, mobility, load, and individual proportions can materially change the result.
Geometry snapshot
| Spec | BSA Motorcycles A10 Rocket Gold Star | Moto Guzzi 850 Le Mans |
|---|---|---|
| Seat height | 762 mm | 762 mm |
| Wheelbase | 1,422 mm | 1,473 mm |
| Wet weight | - | - |
| Displacement | 646 cc | 844 cc |
Posture metrics
Knee angle
- BSA Motorcycles A10 Rocket Gold Star
- Sport (58.0 deg)
- Moto Guzzi 850 Le Mans
- Sport (58.1 deg)
Hip angle
- BSA Motorcycles A10 Rocket Gold Star
- Neutral (94.6 deg)
- Moto Guzzi 850 Le Mans
- Neutral (93.6 deg)
Elbow angle
- BSA Motorcycles A10 Rocket Gold Star
- Relaxed (143.3 deg)
- Moto Guzzi 850 Le Mans
- Relaxed (143.3 deg)
Torso lean
- BSA Motorcycles A10 Rocket Gold Star
- Neutral (11.7 deg)
- Moto Guzzi 850 Le Mans
- Neutral (12.3 deg)