moped / default rider 183 cm
Peugeot Motocycles Speedfight 50 vs SYM Symphony ST 125 ergonomics
Peugeot Motocycles Speedfight 50 and SYM Symphony ST 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
Peugeot Motocycles Speedfight 50
All contacts reached
SYM Symphony ST 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 Peugeot Motocycles Speedfight 50 lists a 800 mm seat; the SYM Symphony ST 125 lists 800 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 | Peugeot Motocycles Speedfight 50 | SYM Symphony ST 125 |
|---|---|---|
| Seat height | 800 mm | 800 mm |
| Wheelbase | 1,296 mm | 1,385 mm |
| Wet weight | 104 kg | 132 kg |
| Displacement | 50 cc | 125 cc |
Posture metrics
Knee angle
- Peugeot Motocycles Speedfight 50
- Sport (57.7 deg)
- SYM Symphony ST 125
- Sport (57.9 deg)
Hip angle
- Peugeot Motocycles Speedfight 50
- Neutral (97.3 deg)
- SYM Symphony ST 125
- Neutral (95.4 deg)
Elbow angle
- Peugeot Motocycles Speedfight 50
- Relaxed (143.3 deg)
- SYM Symphony ST 125
- Relaxed (143.3 deg)
Torso lean
- Peugeot Motocycles Speedfight 50
- Neutral (9.8 deg)
- SYM Symphony ST 125
- Neutral (11.1 deg)