scooter / default rider 183 cm
KYMCO AK 550i Premium vs Vespa LX 150 ergonomics
KYMCO AK 550i Premium and Vespa LX 150 land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
KYMCO AK 550i Premium
95Comfortable
All contacts reached
Vespa LX 150
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 KYMCO AK 550i Premium has a 785 mm seat; the Vespa LX 150 sits at 785 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 79 cm for the KYMCO AK 550i Premium and 79 cm for the Vespa LX 150.
Geometry snapshot
| Spec | KYMCO AK 550i Premium | Vespa LX 150 |
|---|---|---|
| Seat height | 785 mm | 785 mm |
| Wheelbase | 1,580 mm | 1,290 mm |
| Wet weight | - | - |
| Displacement | 550 cc | 150 cc |
Posture metrics
Knee angle
- KYMCO AK 550i Premium
- Sport (58.4 deg)
- Vespa LX 150
- Sport (57.7 deg)
Hip angle
- KYMCO AK 550i Premium
- Neutral (91.1 deg)
- Vespa LX 150
- Neutral (97.6 deg)
Elbow angle
- KYMCO AK 550i Premium
- Relaxed (143.3 deg)
- Vespa LX 150
- Relaxed (143.3 deg)
Torso lean
- KYMCO AK 550i Premium
- Neutral (13.9 deg)
- Vespa LX 150
- Neutral (9.6 deg)