Works Triplestar Aluminum rear sprocket - featuring hard anodized coating for extra strength & durability.
Classic Sunstar 'works' finish, made from 7075-T6 aerospace grade aluminum for light weight with mud grooves at the base of the tooth area on the front side only.
Together with our exclusive tooth-valley design, this allows for up to 50% more chain roller contact area, leading to longer life out of your drive components.
Used by championship level riders & teams for over 25 years & counting.

Sunstar's standard steel replacement sprocket is the most reliable replacement grade sprocket available. Constructed from S45C Carbon Steel with exclusive heat treatment for added strength and wear resistance.
Demanded by OEMs for nearly 60 years. Sunstar's zinc plated rear sprockets also have a baked on durable paint process for added corrosion resistance.
Strong, Durable, Reliable.

The original Sunstar Powerdrive countershaft sprocket, used by top OEM's worldwide for nearly 60 years.
Constructed using the strongest chromoly steel for max durability & reliability.
Parkerized surface treatment for anti rust & anti corrosion performance.
The most trusted drive sprocket by consumers & dealers in the powersports industry.

Works Z Hardware Kit
Includes nuts, bolts & washers.