4457- Maico 1980 and earlier models. DISCONTINUED
The Maico rear sprockets all have the same center hole size and have six bolt holes. A quick reference to the three rear sprocket part numbers will help you identifiy your rear sprocket:
4457, bolt holes 0.290 inch, material thickness at bolt hole is 0.188 inch. Bolt holes (0.290in) are standard. (no counter sink)
4458, bolt holes 0.335 inch, material thickness at bolt hole is 0.215 inch, Bolt holes (0.335in) are 90 degree counter sink.
4459, bolt holes 0.335 inch. material thickness at bolt hole is 0.165 inch, Bolt holes (0.335in) are 90 degree counter sink.
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4457- Maico 1980 and earlier models. This part does not use counter sink bolt holes. Center hole is 7.015in., a drag out on one side of part out to 8.120in. and material thickness of .188in at bolt holes. Bolt holes measure 0.290in. diameter. Check your old sprockets for fitment and measure to make sure this will fit your bike. Many times on an older motorcycle, the wheels may have been replaced.
- Aluminum 7075-T651.:
- Lightening hole design may vary. :
- Made in USA:
- Check for clearance when not ordering stock tooth size.:
