

| Chain Type | No.40-2 | |
| Pitch | (P) | 12.7 mm |
| Internal width | (W) | 7.95 mm |
| Roller Dia. | (Dr) | 7.95 mm |
| Teeth width | (T) | 7.0 mm |
| (M) | 21.4 mm |
| Sprockets No. | Outside Dia.Do | Pitch Dia.Dp | Bore d | Hub | Weight(kg) | ||||
| Type | Teeth No. | Stock | min. | max. | BD | BL | |||
| HG 40-2B | 32H | 137 | 129.57 | 23 | 25 | 66 | 100 | 50 | 3.05 |
| 35H | 149 | 141.68 | 23 | 25 | 66 | 100 | 50 | 3.10 | |
| 36H | 153 | 145.72 | 23 | 25 | 66 | 100 | 50 | 3.30 | |
| 38H | 161 | 153.79 | 23 | 25 | 66 | 100 | 50 | 3.50 | |
| 40H | 169 | 161.87 | 23 | 25 | 66 | 100 | 50 | 3.60 | |

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Luotuo Industrial Area, Zhenhai District, Ningbo City, China
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