Renthal 397U Rear Sprocket HA 520-39T - 76x100 PCD

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SKU: REN397U-520-39P-HA
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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 Renthal

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

Renthal 397U Rear Sprocket - 520 Pitch, 39 Teeth

Enhance your motorcycle's drivetrain with the Renthal 397U Rear Sprocket. Designed for superior performance and durability, this sprocket is a direct fit for various applications requiring a 76x100 PCD (Pitch Circle Diameter) and a 520 chain pitch. Featuring 39 teeth, it offers a balance between acceleration and top-end speed, making it ideal for riders seeking to fine-tune their bike's gearing.

Key Features:

  • Brand: Renthal
  • Model: 397U
  • Chain Pitch: 520
  • Number of Teeth: 39
  • PCD: 76mm x 100mm
  • Material: High-strength steel alloy for extended life
  • Design: Precision-machined for optimal chain engagement and reduced wear
  • Finish: HA (Hard Anodized) for enhanced corrosion resistance and durability

The Renthal 397U sprocket is crafted from high-quality materials, ensuring it can withstand the rigors of performance riding. Its robust construction minimizes stretching and wear, providing consistent performance over time. The HA (Hard Anodized) finish further protects the sprocket against environmental factors and abrasion, extending its service life significantly. Whether you're upgrading your existing setup or building a custom motorcycle, this Renthal sprocket delivers the reliability and performance you expect.

Invest in a superior drivetrain component. Experience the difference quality engineering makes with Renthal sprockets, available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Renthal

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

Renthal 397U Rear Sprocket - 520 Pitch, 39 Teeth

Enhance your motorcycle's drivetrain with the Renthal 397U Rear Sprocket. Designed for superior performance and durability, this sprocket is a direct fit for various applications requiring a 76x100 PCD (Pitch Circle Diameter) and a 520 chain pitch. Featuring 39 teeth, it offers a balance between acceleration and top-end speed, making it ideal for riders seeking to fine-tune their bike's gearing.

Key Features:

  • Brand: Renthal
  • Model: 397U
  • Chain Pitch: 520
  • Number of Teeth: 39
  • PCD: 76mm x 100mm
  • Material: High-strength steel alloy for extended life
  • Design: Precision-machined for optimal chain engagement and reduced wear
  • Finish: HA (Hard Anodized) for enhanced corrosion resistance and durability

The Renthal 397U sprocket is crafted from high-quality materials, ensuring it can withstand the rigors of performance riding. Its robust construction minimizes stretching and wear, providing consistent performance over time. The HA (Hard Anodized) finish further protects the sprocket against environmental factors and abrasion, extending its service life significantly. Whether you're upgrading your existing setup or building a custom motorcycle, this Renthal sprocket delivers the reliability and performance you expect.

Invest in a superior drivetrain component. Experience the difference quality engineering makes with Renthal sprockets, available at GGCRACING.

Product Details

Product Description

About Renthal

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

Renthal 397U Rear Sprocket - 520 Pitch, 39 Teeth

Enhance your motorcycle's drivetrain with the Renthal 397U Rear Sprocket. Designed for superior performance and durability, this sprocket is a direct fit for various applications requiring a 76x100 PCD (Pitch Circle Diameter) and a 520 chain pitch. Featuring 39 teeth, it offers a balance between acceleration and top-end speed, making it ideal for riders seeking to fine-tune their bike's gearing.

Key Features:

  • Brand: Renthal
  • Model: 397U
  • Chain Pitch: 520
  • Number of Teeth: 39
  • PCD: 76mm x 100mm
  • Material: High-strength steel alloy for extended life
  • Design: Precision-machined for optimal chain engagement and reduced wear
  • Finish: HA (Hard Anodized) for enhanced corrosion resistance and durability

The Renthal 397U sprocket is crafted from high-quality materials, ensuring it can withstand the rigors of performance riding. Its robust construction minimizes stretching and wear, providing consistent performance over time. The HA (Hard Anodized) finish further protects the sprocket against environmental factors and abrasion, extending its service life significantly. Whether you're upgrading your existing setup or building a custom motorcycle, this Renthal sprocket delivers the reliability and performance you expect.

Invest in a superior drivetrain component. Experience the difference quality engineering makes with Renthal sprockets, available at GGCRACING.

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