Material: grey cast iron GG25. Hub unfinished and without bore, some with core hole. Matching chains in accordance with DIN 766 A. All dimensions and weights "ca.".
| No. of Teeth | 20 |
|---|---|
| da (mm) | 260 |
| d (mm) | 236 |
| b (mm) | 33 |
| ND (mm) | 60 |
| L (mm) | 55 (später 50) |
| B approx. (mm) | 20 |
| Weight (kg) | 5,0 |
