Power Transmission > Sprockets > Metric Roller Chain Sprockets > 12B Chain Sprockets
12B20 Sprocket With Stock Bore
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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