Sunstar Steel Rear Sprocket 39T-520 — Fits Honda Motorcycles

SKU: FJMF_2-345939
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Sale price$52.95
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Sunstar 39T 520 Steel Rear Sprocket for Honda

Enhance your motorcycle's drivetrain efficiency with the Sunstar 39T 520 Steel Rear Sprocket. Engineered for riders who demand reliability and consistent performance, this sprocket is manufactured from high-grade, hardened steel to withstand the rigors of both track and street riding. Its precision-cut teeth ensure smooth chain engagement, reducing friction and extending the lifespan of your entire chain drive system.

Key Features and Benefits

  • High-Strength Steel Construction: Built for maximum durability and wear resistance.
  • Precision Engineering: CNC-machined for a perfect fit and optimal chain seating.
  • Optimized 39T Gearing: Ideal for balanced acceleration and top-end speed.
  • 520 Pitch Compatibility: Designed specifically for 520 chain conversions or replacements.
  • Direct OEM Fitment: Engineered to match Honda factory specifications for hassle-free installation.

Whether you are replacing a worn-out component or fine-tuning your gear ratios for better track performance, this Sunstar sprocket provides the strength and precision required for competitive riding. The hardened surface treatment resists tooth hooking and elongation, ensuring your bike maintains peak power delivery throughout the season. Trust the quality of Sunstar components available at GGCRACING to keep your machine running at its best.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Sunstar 39T 520 Steel Rear Sprocket for Honda

Enhance your motorcycle's drivetrain efficiency with the Sunstar 39T 520 Steel Rear Sprocket. Engineered for riders who demand reliability and consistent performance, this sprocket is manufactured from high-grade, hardened steel to withstand the rigors of both track and street riding. Its precision-cut teeth ensure smooth chain engagement, reducing friction and extending the lifespan of your entire chain drive system.

Key Features and Benefits

  • High-Strength Steel Construction: Built for maximum durability and wear resistance.
  • Precision Engineering: CNC-machined for a perfect fit and optimal chain seating.
  • Optimized 39T Gearing: Ideal for balanced acceleration and top-end speed.
  • 520 Pitch Compatibility: Designed specifically for 520 chain conversions or replacements.
  • Direct OEM Fitment: Engineered to match Honda factory specifications for hassle-free installation.

Whether you are replacing a worn-out component or fine-tuning your gear ratios for better track performance, this Sunstar sprocket provides the strength and precision required for competitive riding. The hardened surface treatment resists tooth hooking and elongation, ensuring your bike maintains peak power delivery throughout the season. Trust the quality of Sunstar components available at GGCRACING to keep your machine running at its best.

Product Details

Product Description

About Sunstar

Sunstar engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Sunstar lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Sunstar 39T 520 Steel Rear Sprocket for Honda

Enhance your motorcycle's drivetrain efficiency with the Sunstar 39T 520 Steel Rear Sprocket. Engineered for riders who demand reliability and consistent performance, this sprocket is manufactured from high-grade, hardened steel to withstand the rigors of both track and street riding. Its precision-cut teeth ensure smooth chain engagement, reducing friction and extending the lifespan of your entire chain drive system.

Key Features and Benefits

  • High-Strength Steel Construction: Built for maximum durability and wear resistance.
  • Precision Engineering: CNC-machined for a perfect fit and optimal chain seating.
  • Optimized 39T Gearing: Ideal for balanced acceleration and top-end speed.
  • 520 Pitch Compatibility: Designed specifically for 520 chain conversions or replacements.
  • Direct OEM Fitment: Engineered to match Honda factory specifications for hassle-free installation.

Whether you are replacing a worn-out component or fine-tuning your gear ratios for better track performance, this Sunstar sprocket provides the strength and precision required for competitive riding. The hardened surface treatment resists tooth hooking and elongation, ensuring your bike maintains peak power delivery throughout the season. Trust the quality of Sunstar components available at GGCRACING to keep your machine running at its best.

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