40BS31 High-Performance Sprocket 1-1/8"
40BS31 1-1/8" Finished Bore Sprocket Dimensions:

- Sprocket Size: 40BS31
- Outside Diameter: 5.220"
- Hub Type: B
- Bore Size: 1-1/8"
- Keyway Size: 1/4" X 1/8"
- Hub Diameter: 3-1/4"
- Length Through Bore: 1"
- Weight: 3.10 LBS
- Common Interchanges: 40BS31H, H40BS31, 40BS31-FB
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- Sprocket Size: 40BS31
- Outside Diameter: 5.220"
- Hub Type: B
- Bore Size: 1-1/8"
- Keyway Size: 1/4" X 1/8"
- Hub Diameter: 3-1/4"
- Length Through Bore: 1"
- Weight: 3.10 LBS
- Common Interchanges: 40BS31H, H40BS31, 40BS31-FB