Sprockets
Metric Triplex, Standard
PHS 20B-3B21
Metric Triplex, Standard
PHS 20B-3B21
| Pitch P (mm) | 31.75 |
| Pitch P (in) | 1.25 |
| No. of teeth | 21 |
| Pitch diameter (mm) | 213.03 |
| Pitch diameter (in) | 8.39 |
| Min. bore (mm) | 25 |
| Min. bore (in) | 0.98 |
| Max. bore (mm) | 92 |
| Max. bore (in) | 3.62 |
| Hub H (mm) | 140 |
| Hub H (in) | 5.51 |
| Hub L (mm) | 115 |
| Hub L (in) | 4.53 |
| Weight (kg) | 23.36 |
| Weight (lbs) | 51.5 |
