12B57 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.
12B57 Sprocket Dimensions

- Sprocket Size: 12B57
- Tooth Count: 57
- Pitch Diameter: 345.81mm
- Stock Bore: 32mm
- Maximum Recommended Bore: 70mm
- Hub Diameter: 110mm
- Length Thru Bore (LTB): 45mm
- Sprocket Weight: 10.10 kg
- Sprocket Size: 12B57
- Tooth Count: 57
- Pitch Diameter: 345.81mm
- Stock Bore: 32mm
- Maximum Recommended Bore: 70mm
- Hub Diameter: 110mm
- Length Thru Bore (LTB): 45mm
- Sprocket Weight: 10.10 kg