| Key ^ | Value | 
|---|---|
| Bore Type | Taper-Lock? | 
| Bushing Type | 1610 | 
| Description: | 39-8MX21-1610, Timing Pulley | 
| Face Width, Overall Length | 1.203 in | 
| Finish | Black Oxide | 
| Flange Diameter | 4.331 in | 
| Manufacturer, Supplier: | B & B Manufacturing | 
| Material | Cast Iron | 
| MFG Part #: | 39-8MX21-1610 | 
| Number of Grooves | 39 | 
| Outside Diameter | 3.847 in | 
| Pitch | 8 mm | 
| Pitch Diameter | 3.91 in | 
| Suitable For Use With | 21 mm W Poly Chain? GT? Carbon Belts | 
| Type | Type A1F | 
| UPC: | 195057818026 |