Sunstar Works Z Steel Rear Sprocket 520
Sunstar Works Z Steel Rear Sprocket 520
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Estimated delivery: Feb 06 - Feb 10
About this product
About this product
The Sunstar Works Z Steel Rear Sprocket is engineered for superior performance and durability, especially in challenging off-road environments. Its advanced design and construction ensure long-lasting reliability and efficient power transfer. This sprocket is a top choice for riders seeking enhanced performance and extended chain drive system life.
Description
The Sunstar Works Z Steel Rear Sprocket is crafted from the highest-quality, 100% heat-treated stainless steel, providing an unmatched combination of strength and durability. The electro-less nickel plating not only gives it a sleek, brushed stainless steel appearance but also enhances corrosion resistance without compromising performance. Its unique offset tooth design offers exceptional self-cleaning capabilities, efficiently removing mud and dirt to extend the life of the entire chain drive system. Perfect for adverse off-road conditions, this sprocket is up to 50% lighter than OEM steel, depending on the application and number of teeth. It boasts twice the hardness of standard steel, is 20% laterally stronger, and offers up to three times the overall life. Compared to aluminum, it provides five times the hardness and durability and up to 10 times the overall life, making it an ideal choice for demanding riders.
Features & highlights
- Constructed from high-quality, 100% heat-treated stainless steel for superior strength and durability.
- Electro-less nickel plating provides a brushed stainless steel appearance and enhanced corrosion resistance.
- Unique offset tooth design offers exceptional self-cleaning, extending chain drive system life.
- Ideal for use in wet, muddy, and sandy off-road conditions.
- Up to 50% lighter than OEM steel, improving overall performance.
- Offers significantly greater hardness, strength, and lifespan compared to standard steel and aluminum sprockets.
- Used by top teams and riders in GNCC, WORCS, and motocross.
Technical specifications
- Brand: Sunstar Sprockets
- Part Number: 12111406
- Chain Size: 520
- Color/Finish: Natural
- Material: Steel
- Mounting Position: Rear
- Tooth Count: 51
- Type: Drive
Important to know
A matching hardware set (nuts, bolts, and washers) is included.
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
8-3631-51
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.

