Description
| Weight, W | kg | 1.3 |
| Inner diameter, d | mm | 55 |
| Ouside diameter, D | mm | 181 |
| Number of teeth, Z | 21 | |
| Number of mounting holes, N | 6 | |
| Diameter of mounting holes, Dm | mm | 9 |
| Chain pitch, p | mm | 25.4 |
| Height, H | mm | 15.5 |
| Inner diameter, d1 | mm | 101 |
| Teeth height, h | mm | 15.5 |