motocross / default rider 183 cm
Fantic XXF 250 vs KTM 500 MX ergonomics
Fantic XXF 250 and KTM 500 MX 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
Fantic XXF 250
All contacts reached
KTM 500 MX
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 Fantic XXF 250 lists a 970 mm seat; the KTM 500 MX lists 975 mm — a 5 mm difference. 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.
On seat height alone, the Fantic XXF 250 has the easier modeled ground reach. Load your measurements into the simulator to compare the model, then verify both motorcycles in person.
Geometry snapshot
| Spec | Fantic XXF 250 | KTM 500 MX |
|---|---|---|
| Seat height | 970 mm | 975 mm |
| Wheelbase | 1,475 mm | 1,460 mm |
| Wet weight | 101 kg | - |
| Displacement | 250 cc | 498 cc |
Posture metrics
Knee angle
- Fantic XXF 250
- Sport (58.1 deg)
- KTM 500 MX
- Sport (58.1 deg)
Hip angle
- Fantic XXF 250
- Neutral (93.5 deg)
- KTM 500 MX
- Neutral (93.7 deg)
Elbow angle
- Fantic XXF 250
- Relaxed (143.3 deg)
- KTM 500 MX
- Relaxed (143.3 deg)
Torso lean
- Fantic XXF 250
- Neutral (12.4 deg)
- KTM 500 MX
- Neutral (12.2 deg)