
25B21 Sprocket Dimensions

- Sprocket Size: 25B21
- Tooth Count: 21
- Hub Style: B
- Outside Diameter (O.D): 1.809"
- Stock Bore: 1/4"
- Recommended Maximum Bore: 7/8"
- Hub Diameter: 1-3/8"
- Length Thru Bore: 5/8"
- Sprocket Weight: 0.28 LBS
- Common Interchanges: 25B21H, H25B21, 25B21-SB
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Feature
- Manufactured Out Of High-Quality Steel
- Great Performance and Durability
- Black Oxide Coated
- Fully Meets All ANSI Standards

- Sprocket Size: 25B21
- Tooth Count: 21
- Hub Style: B
- Outside Diameter (O.D): 1.809"
- Stock Bore: 1/4"
- Recommended Maximum Bore: 7/8"
- Hub Diameter: 1-3/8"
- Length Thru Bore: 5/8"
- Sprocket Weight: 0.28 LBS
- Common Interchanges: 25B21H, H25B21, 25B21-SB