Power Transmission > Sprockets > Metric Roller Chain Sprockets > 04B Chain Sprockets
04B21 Sprocket With Stock Bore
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04B21 Sprocket Dimensions

- Sprocket Size: 04B21
- Tooth Count: 21
- Sprocket Width (T): 2.6mm
- Pitch Diameter (PD): 40.25mm
- Outside Diameter (OD): 42.6mm
- Hub Diameter (H): 25mm
- Stock Bore (ID): 8mm
- Length Thru Bore (L): 13mm
- Weight: 0.06 kg
- Sprocket Size: 04B21
- Tooth Count: 21
- Sprocket Width (T): 2.6mm
- Pitch Diameter (PD): 40.25mm
- Outside Diameter (OD): 42.6mm
- Hub Diameter (H): 25mm
- Stock Bore (ID): 8mm
- Length Thru Bore (L): 13mm
- Weight: 0.06 kg