cafe-racer / default rider 183 cm
Derbi Mulhacen Cafe 125 vs Mutt Motorcycles Mongrel 125 ergonomics
Derbi Mulhacen Cafe 125 and Mutt Motorcycles Mongrel 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
Derbi Mulhacen Cafe 125
All contacts reached
Mutt Motorcycles Mongrel 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 Derbi Mulhacen Cafe 125 lists a 790 mm seat; the Mutt Motorcycles Mongrel 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 | Derbi Mulhacen Cafe 125 | Mutt Motorcycles Mongrel 125 |
|---|---|---|
| Seat height | 790 mm | 790 mm |
| Wheelbase | 1,335 mm | 1,295 mm |
| Wet weight | 126 kg | 135 kg |
| Displacement | 124 cc | 125 cc |
Posture metrics
Knee angle
- Derbi Mulhacen Cafe 125
- Sport (57.8 deg)
- Mutt Motorcycles Mongrel 125
- Sport (57.7 deg)
Hip angle
- Derbi Mulhacen Cafe 125
- Neutral (96.5 deg)
- Mutt Motorcycles Mongrel 125
- Neutral (97.5 deg)
Elbow angle
- Derbi Mulhacen Cafe 125
- Relaxed (143.3 deg)
- Mutt Motorcycles Mongrel 125
- Relaxed (143.3 deg)
Torso lean
- Derbi Mulhacen Cafe 125
- Neutral (10.3 deg)
- Mutt Motorcycles Mongrel 125
- Neutral (9.7 deg)