12B39 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.
12B39 Sprocket Dimensions

- Sprocket Size: 12B39
- Tooth Count: 39
- Pitch Diameter: 236.74mm
- Stock Bore: 25mm
- Maximum Recommended Bore: 70mm
- Hub Diameter: 107mm
- Length Thru Bore (LTB): 40mm
- Sprocket Weight: 5.15 kg
- Sprocket Size: 12B39
- Tooth Count: 39
- Pitch Diameter: 236.74mm
- Stock Bore: 25mm
- Maximum Recommended Bore: 70mm
- Hub Diameter: 107mm
- Length Thru Bore (LTB): 40mm
- Sprocket Weight: 5.15 kg