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24B21 Sprocket

24B21 Sprocket Stock Bore 24B21 Sprocket
24B21 Sprocket

Note: Custom Re-Boring Available

Availability: Typically In-Stock
Product Code: 24B21-SPROCKET
Contact Us For Pricing & Availability

Description Technical Specs
This 24B21 sprocket is a durable, high quality, and precision metric roller sprocket with 21 teeth. Something that is notable about this 24B21 sprocket is that it fully meets all ISO Standards, which insures proper contact between the 24B roller chain and sprocket thus preventing premature wear or breakage. This 24B21 sprockets with a stock bore comes with the standard 25 millimeter inside diameter hole with no key-way or set screws and can be easily machine bored to custom sizes. We also offer sprockets with finished bore configurations right off the shelf from stock, and if you are needing a custom bore sprocket we the capabilities on providing those to within a fast lead time and at really great prices. Fore more information or to get a formal quote please contact us and we will be happy to assist you.


  • Sprocket Size: 24B21
  • Tooth Count: 21
  • Dimension (d0): 255.6mm
  • Dimension (dk): 271mm
  • Dimension (dn): 150mm
  • Dimension (d1): 25mm
  • Dimension (d2): 95mm
  • Dimension (L): 60mm
  • Sprocket Weight: 13.32KG

About Us
    • High Quality Sprocket
    • Extremely Durable
    • Manufactured to ISO Standards

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