821/802/805 FORWARD WHEEL
- Material: Reinforced polyamide, high-precision machining, machined wheel.
- Good resistance, can be used in heavy load transportation
- Suitable for 802/805/821 type chains
| Code | Number of teeth | Pd | Od | Drill |
| 821-21-25 | 21 | 131 | 129 | 25 |
| 821-21-30 | 21 | 131 | 129 | 30 |
| 821-25-25 | 25 | 155 | 153 | 25 |
| 821-25-30 | 25 | 155 | 153 | 30 |
820/880/881 FORWARD WHEEL
- Material: reinforced polyamide, injection plastics
- Applicable for transporting light workload
- Suitable for chains type 812/815/820/831/879/880/881 / 881M
| Code | Number of teeth | Pd | Od | Drill |
| 820-21-25 | 21 | 131 | 85 | 25 |
| 820-21-30 | 21 | 131 | 85 | 30 |
| 820-25-25 | 25 | 155 | 85 | 25 |
| 820-25-30 | 25 | 155 | 85 | 30 |