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The BlackStar 140U45 is a QD roller chain sprocket, precision manufactured from SAE 1045 steel and features machine-cut tooth profiles for smooth, reliable chain engagement. This sprocket requires a QD Bushing (sold separately).
| Specifications | |
|---|---|
| Part Number | 140U45 |
| Bore Type | Plain Bore |
| Hub Style | QD |
| Bushing Required | QD Bushing |
| Strand Count | Single |
| Material | Steel |
| Approx. Weight | 145.300 lbs |
This sprocket requires a QD Bushing to mount to your shaft. The bushing is sold separately and allows you to match the sprocket to your exact shaft diameter.

Ships within 48 hours · Estimated delivery Jun 30 - Jul 5
US$40
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