cafe-racer / default rider 183 cm
Brixton Sunray 125 vs FB Mondial HPS 300 ergonomics
Brixton Sunray 125 and FB Mondial HPS 300 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
Brixton Sunray 125
All contacts reached
FB Mondial HPS 300
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 Brixton Sunray 125 lists a 790 mm seat; the FB Mondial HPS 300 lists 790 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 | Brixton Sunray 125 | FB Mondial HPS 300 |
|---|---|---|
| Seat height | 790 mm | 790 mm |
| Wheelbase | 1,320 mm | 1,370 mm |
| Wet weight | 134 kg | 149 kg |
| Displacement | 125 cc | 249 cc |
Posture metrics
Knee angle
- Brixton Sunray 125
- Sport (57.8 deg)
- FB Mondial HPS 300
- Sport (57.9 deg)
Hip angle
- Brixton Sunray 125
- Neutral (96.9 deg)
- FB Mondial HPS 300
- Neutral (95.8 deg)
Elbow angle
- Brixton Sunray 125
- Relaxed (143.3 deg)
- FB Mondial HPS 300
- Relaxed (143.3 deg)
Torso lean
- Brixton Sunray 125
- Neutral (10.1 deg)
- FB Mondial HPS 300
- Neutral (10.9 deg)