supermoto / default rider 183 cm
Aprilia SX 125 vs Kawasaki KLX250 D-Tracker ergonomics
Aprilia SX 125 and Kawasaki KLX250 D-Tracker land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Aprilia SX 125
95Comfortable
All contacts reached
Kawasaki KLX250 D-Tracker
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 Aprilia SX 125 has a 880 mm seat; the Kawasaki KLX250 D-Tracker sits at 880 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 88 cm for the Aprilia SX 125 and 88 cm for the Kawasaki KLX250 D-Tracker.
Geometry snapshot
| Spec | Aprilia SX 125 | Kawasaki KLX250 D-Tracker |
|---|---|---|
| Seat height | 880 mm | 880 mm |
| Wheelbase | 1,425 mm | 1,480 mm |
| Wet weight | 136 kg | 130 kg |
| Displacement | 124 cc | 249 cc |
Posture metrics
Knee angle
- Aprilia SX 125
- Sport (58.0 deg)
- Kawasaki KLX250 D-Tracker
- Sport (58.1 deg)
Hip angle
- Aprilia SX 125
- Neutral (94.6 deg)
- Kawasaki KLX250 D-Tracker
- Neutral (93.3 deg)
Elbow angle
- Aprilia SX 125
- Relaxed (143.3 deg)
- Kawasaki KLX250 D-Tracker
- Relaxed (143.3 deg)
Torso lean
- Aprilia SX 125
- Neutral (11.7 deg)
- Kawasaki KLX250 D-Tracker
- Neutral (12.5 deg)