supermoto / default rider 183 cm
KTM 125 SMC R vs KTM 390 SMC R ergonomics
KTM 125 SMC R and KTM 390 SMC R land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
KTM 125 SMC R
95Comfortable
All contacts reached
KTM 390 SMC R
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Rider fit: reaching the ground
The KTM 125 SMC R has a 860 mm seat; the KTM 390 SMC R sits at 860 mm, within a few millimetres of each other. As a rule of thumb you flat-foot a bike when your inseam roughly matches its seat height: about 86 cm for the KTM 125 SMC R and 86 cm for the KTM 390 SMC R.
Geometry snapshot
| Spec | KTM 125 SMC R | KTM 390 SMC R |
|---|---|---|
| Seat height | 860 mm | 860 mm |
| Wheelbase | 1,453 mm | 1,453 mm |
| Wet weight | 152 kg | - |
| Displacement | 125 cc | 399 cc |
Posture metrics
Knee angle
- KTM 125 SMC R
- Sport (58.1 deg)
- KTM 390 SMC R
- Sport (58.1 deg)
Hip angle
- KTM 125 SMC R
- Neutral (94.0 deg)
- KTM 390 SMC R
- Neutral (94.0 deg)
Elbow angle
- KTM 125 SMC R
- Relaxed (143.3 deg)
- KTM 390 SMC R
- Relaxed (143.3 deg)
Torso lean
- KTM 125 SMC R
- Neutral (12.0 deg)
- KTM 390 SMC R
- Neutral (12.0 deg)