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.

Constructed from S45C Carbon Steel with exclusive heat treatment for added strength & wear resistance, Sunstar's standard steel replacement sprocket is the most reliable replacement grade sprocket available.
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.