Chain & Sprocket 3 Pieces Set

• Sprocket use

• Applicable chain size 520

• Sprocket material

• Number of front sprocket teeth 13

• Number of rear sprocket teeth 40

The set includes the front sprocket, rear sprocket, and drive chain, all manufactured according to SUNSTAR's strict quality standards.
Why should you choose SUNSTAR's 3-piece set?

Perfect matching: Each component is designed to work perfectly with each other for maximum performance and longevity.
This provides better cost performance than purchasing each item individually.
Quality you can trust: For many years, SUNSTAR has been providing high-quality drivetrain parts trusted by riders around the world.
Technology cultivated through race experience will support your riding.
Smooth drive: The combination of high-precision sprockets and a high-performance chain minimizes power transmission loss and provides a smooth and direct acceleration feel.
Long life and durability: Designed to withstand harsh conditions, its superior durability reduces the need for frequent replacement and lowers maintenance costs.

[Rear Sprocket Selection: Advantages of aluminum vs. steel]
SUNSTAR’s rear sprockets come in two main types: aluminum and steel.
Choose the material that best suits your riding style and purpose.

1. Aluminum rear sprocket
■Benefits
Lightweight: Very lightweight compared to steel.
The reduction of unsprung weight contributes to improved handling, acceleration performance, and fuel economy.
Especially in racing and sport riding, the benefits can be felt greatly.
Dress-up effect: Many of them are colorfully anodized, enhancing both the customization and appearance of the rear area.
Improved response: The lightweight design improves the tracking performance to the engine speed increase, and delivers a sharper throttle response.

■Recommended for
*For those who mainly enjoy sport riding such as on tracks and mountain passes
*For those who prioritize reducing the bike’s weight and improving its performance
*For those who want to focus on customization and styling

2. Steel rear sprocket
■Benefits
High durability: It boasts significantly higher durability than aluminum.
It can be used for a long time with peace of mind, even for long-distance riding, daily use, and situations where frequent maintenance is not possible.
Cost effective: It is less expensive than aluminum and has a longer replacement cycle, thus reducing the total cost.
Quietness: Low contact noise with the chain ensures a quiet and smooth drive.

■Recommended for
*For those who ride motorcycles on a daily basis, such as touring, commuting, etc.
*Those who place the highest priority on durability and longevity
*Those who want to reduce the time and effort required for maintenance
*Those who value cost-effectiveness