moped / default rider 183 cm
Sachs MadAss 50 vs Tomos Flexer 25 SM ergonomics
Sachs MadAss 50 and Tomos Flexer 25 SM land within a few ergonomic points for the default rider, so the better choice comes down to posture preference and bike category.
Fit verdict
Sachs MadAss 50
95Comfortable
All contacts reached
Tomos Flexer 25 SM
95Comfortable
All contacts reached
The two bikes are close enough that posture preference matters more than the overall score.
Geometry snapshot
| Spec | Sachs MadAss 50 | Tomos Flexer 25 SM |
|---|---|---|
| Seat height | 835 mm | 800 mm |
| Wheelbase | 1,235 mm | 1,115 mm |
| Wet weight | - | - |
| Displacement | 50 cc | 49 cc |
Posture metrics
Knee angle
- Sachs MadAss 50
- Sport (57.6 deg)
- Tomos Flexer 25 SM
- Sport (57.4 deg)
Hip angle
- Sachs MadAss 50
- Neutral (98.8 deg)
- Tomos Flexer 25 SM
- Neutral (101.7 deg)
Elbow angle
- Sachs MadAss 50
- Relaxed (143.3 deg)
- Tomos Flexer 25 SM
- Relaxed (143.3 deg)
Torso lean
- Sachs MadAss 50
- Neutral (8.8 deg)
- Tomos Flexer 25 SM
- Neutral (6.9 deg)