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motorcycle chain:
| SPECIFICATION | PIN | Plate thickness | Tensile | ||
| Dia./mm | Length/mm | Inner/mm | Outer/mm | strength/mm | |
| 420 | 3.96 | 14.7 | 1.5 | 1.5 | 16.0 |
| 428 | 4.45 | 16.7 | 1.6 | 1.6 | 17.8 |
| 428H | 4.45 | 18.9 | 2.0 | 2.0 | 20.6 |
| 520HD | 5.08 | 19.15 | 2.4 | 2.4 | 34.0 |
| 520H-O-RING | 5.24 | 23.7 | 2.4 | 2.4 | 34.0 |
| 520H-X-RING | 5.24 | 23.7 | 2.4 | 2.4 | 34.0 |