- Maximum relief of sensitive areas. Offers optimal pressure distribution according to medical criteria for city bikes with a slightly forward bend to very upright riding position
- SQlab active system the saddle follows the pedaling motion, the comfort increases, the intervertebral discs are mobilized and the pressure on the sit bones minimized
- M-D stands for maximized dip and, in combination with the high classic step shape, distributes the body weight onto the sit bones
| Model | 621 M-D |
| Rails | CrMo |
| Top | Synthetic |
| Color | 900 Black |
| LxW (mm) | 282x210 |
| Weight | 688g |
