03B21 Sprocket With Stock Bore
- Custom bore sizes are available. Contact us if you need a specific bore size or machining requirement.
- Images are for reference only. Actual product appearance may vary based on size, bore, keyway, hub style, or manufacturer.
03B21 Sprocket Dimensions

- Sprocket Size: 03B21
- Tooth Count: 21
- Thickness (T): 2.3mm
- Outside Diameter (OD): 35.7mm
- Pitch Diameter (PD): 33.54mm
- Hub Diameter (H): 20mm
- Stock Bore (ID): 8mm
- Length Thru Bore (L): 13mm
- Weight: 0.056 kg
- Sprocket Size: 03B21
- Tooth Count: 21
- Thickness (T): 2.3mm
- Outside Diameter (OD): 35.7mm
- Pitch Diameter (PD): 33.54mm
- Hub Diameter (H): 20mm
- Stock Bore (ID): 8mm
- Length Thru Bore (L): 13mm
- Weight: 0.056 kg