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.

THE most unique Off Road sprocket available on today's market, Sunstar's WORKS Z is a stainless steel rear sprocket for most 125cc & up applications.
This sprocket is up to 3 times more durable than standard steel & could last up to 10x longer than Aluminum!
Thanks to the self cleaning, off-set tooth design this sprocket helps keep the entire drive system more clear of mud, dirt & debris - extending the life of the sprockets AND chain.
It is made from SUS410db stainless steel & 100% heat treated.
Hardware kit included.
Perfect combination with our 520XTG off road sealed chain & Powerdrive countershaft sprockets.

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.