cafe-racer / default rider 183 cm
Brixton Sunray 125 vs Derbi Mulhacen Cafe 125 ergonomics
Brixton Sunray 125 and Derbi Mulhacen Cafe 125 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
Derbi Mulhacen Cafe 125
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 Derbi Mulhacen Cafe 125 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 | Derbi Mulhacen Cafe 125 |
|---|---|---|
| Seat height | 790 mm | 790 mm |
| Wheelbase | 1,320 mm | 1,335 mm |
| Wet weight | 134 kg | 126 kg |
| Displacement | 125 cc | 124 cc |
Posture metrics
Knee angle
- Brixton Sunray 125
- Sport (57.8 deg)
- Derbi Mulhacen Cafe 125
- Sport (57.8 deg)
Hip angle
- Brixton Sunray 125
- Neutral (96.9 deg)
- Derbi Mulhacen Cafe 125
- Neutral (96.5 deg)
Elbow angle
- Brixton Sunray 125
- Relaxed (143.3 deg)
- Derbi Mulhacen Cafe 125
- Relaxed (143.3 deg)
Torso lean
- Brixton Sunray 125
- Neutral (10.1 deg)
- Derbi Mulhacen Cafe 125
- Neutral (10.3 deg)