Sunstar Works Z Steel Rear Sprocket 520
Sunstar Works Z Steel Rear Sprocket 520
Hurry up, only 1 item left in stock.
-
Estimated delivery: Feb 06 - Feb 10
About this product
About this product
The Sunstar Works Z Steel Rear Sprocket offers unparalleled durability and performance for off-road and motocross applications. Engineered with advanced materials and a unique design, this sprocket is built to withstand the harshest conditions while providing exceptional longevity. Upgrade your motorcycle's drivetrain with a sprocket trusted by top racing teams.
Description
The Sunstar Works Z Steel Rear Sprocket is constructed from high-quality, heat-treated stainless steel, providing twice the hardness of standard steel and five times the hardness and durability of aluminum. Its electro-less nickel plating not only gives it a stylish brushed/natural stainless steel appearance but also enhances corrosion resistance. The unique offset tooth design offers exceptional self-cleaning capabilities, efficiently removing mud and dirt to extend the life of the entire chain drive system. Up to 50% lighter than OEM steel sprockets, the Works Z offers enhanced performance without compromising strength. Built for extreme conditions and trusted by top teams in GNCC, WORCS, and motocross, this sprocket delivers unmatched reliability and performance. The sprocket is also 20% laterally stronger, offering up to three times the overall life compared to standard steel.
Features & highlights
- Constructed from high-quality, heat-treated stainless steel for ultimate strength and durability.
- Electro-less nickel plating provides a stylish appearance and superior corrosion resistance.
- Unique offset tooth design ensures exceptional self-cleaning, extending chain life.
- Up to 50% lighter than OEM steel sprockets for improved performance.
- Offers twice the hardness of standard steel and five times the hardness of aluminum.
- Used by top teams and riders in GNCC, WORCS, and motocross.
- Includes matching hardware set (nuts, bolts, and washers) for easy installation.
Technical specifications
- Brand: Sunstar Sprockets
- Material: Steel
- Mounting Position: Rear
- Chain Size: 520
- Tooth Count: 51
- Type: Drive
- Color/Finish: Natural
Important to know
This sprocket includes a matching hardware set (nuts, bolts, and washers). Verify fitment for your specific motorcycle model before installation.
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
SUNSTAR SPROCKETS
8-3577-51
Sprocket
Rear
Steel
520
Drive
Each


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

