supermoto / default rider 183 cm
KTM 640 Duke II vs KTM 690 SMC ergonomics
KTM 640 Duke II and KTM 690 SMC 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
KTM 640 Duke II
All contacts reached
KTM 690 SMC
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 KTM 640 Duke II lists a 900 mm seat; the KTM 690 SMC lists 900 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 | KTM 640 Duke II | KTM 690 SMC |
|---|---|---|
| Seat height | 900 mm | 900 mm |
| Wheelbase | 1,460 mm | 1,480 mm |
| Wet weight | - | - |
| Displacement | 625 cc | 654 cc |
Posture metrics
Knee angle
- KTM 640 Duke II
- Sport (58.1 deg)
- KTM 690 SMC
- Sport (58.1 deg)
Hip angle
- KTM 640 Duke II
- Neutral (93.7 deg)
- KTM 690 SMC
- Neutral (93.3 deg)
Elbow angle
- KTM 640 Duke II
- Relaxed (143.3 deg)
- KTM 690 SMC
- Relaxed (143.3 deg)
Torso lean
- KTM 640 Duke II
- Neutral (12.2 deg)
- KTM 690 SMC
- Neutral (12.5 deg)