The Works Z now is finished with electro-less nickel plating which gives the sprocket more of a brushed/natural stainless appearance but does not compromise in performance, durability, corrosion resistance, etc.
Constructed of the highest quality, stainless steel and 100% heat treated for the ultimate combination of strength and durability.
Unique, exclusive off set tooth design for exceptional self cleaning capabilities, extending the life of the entire chain drive system by removing mud and dirt more efficiently.
Perfect for using in adverse off road conditions where extremely wet, muddy and/or sandy conditions are encountered.
Up to 50% lighter than the same part in standard steel (depends on application and number of teeth).
Twice the hardness of standard steel and 20% laterally stronger; up to 3 times the overall life.
5 times the hardness of aluminum and up to 10 times the overall life.
Includes matching hardware set (nuts, bolts, washers).
Sunstar Works Z Rear Sprocket Reviews
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I have 124 hours on this sprocket it is still not worn out, slightly heavier than aluminum. Because the Z sprocket is thinner than conventional sprockets I had some concern about chain wear, that was not a issue at all. Excellent sprocket.
Machine this part was bought for: 2012 YAMAHA YZ250F