Additional information
| Weight | 5 lbs |
|---|---|
| Dimensions | 12 × 12 × 6 in |
| MPN | 16B-21B |
| Bore Diameter | 20 mm |
| Chain Size (Number) | 16B |
| Hub Diameter | 110 mm |
| Material | Steel |
| Number of Teeth | 21 |
| Outer Diameter | 181.2 mm |
| Pitch | 25.4 mm |
| Pitch Diameter | 170.43 mm |
| Roller Diameter | 15.88 mm |
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