12B20 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.
12B20 Sprocket Dimensions

- Sprocket Size: 12B20
- Tooth Count: 20
- Pitch Diameter: 121.78mm
- Stock Bore: 16mm
- Maximum Recommended Bore: 64mm
- Hub Diameter: 90mm
- Length Thru Bore (LTB): 35mm
- Sprocket Weight: 2.10 kg
- Sprocket Size: 12B20
- Tooth Count: 20
- Pitch Diameter: 121.78mm
- Stock Bore: 16mm
- Maximum Recommended Bore: 64mm
- Hub Diameter: 90mm
- Length Thru Bore (LTB): 35mm
- Sprocket Weight: 2.10 kg