Sunstar Aluminum Rear Sprocket 51t-520 — Fits Husqvarna KTM Off-Road

SKU: FJMF_5-354751
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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

Superior Drivetrain Performance

Improve your motorcycle's acceleration and climbing ability with the Sunstar 51T 520 Aluminum Rear Sprocket. Specifically engineered for Husqvarna and KTM off-road machines, this 51-tooth sprocket provides a shorter gear ratio, ideal for technical terrain, tight tracks, or riders who prefer a punchier power delivery. Made from premium aluminum, it offers significant weight savings over steel alternatives without compromising on strength.

Why Choose Sunstar?

  • 51-Tooth Design: Perfect for increasing low-end torque and acceleration.
  • Precision Engineering: CNC-machined for a perfect fit on your hub.
  • 520 Pitch Compatibility: Designed for standard high-performance off-road chains.
  • Weight Reduction: Aluminum construction reduces unsprung weight.
  • Durability: Hard-anodized coating protects against wear and debris.

Sunstar sprockets are the choice of champions, providing the reliability needed to push your bike to the limit. The 51T configuration is a popular modification for riders looking to maximize their bike's potential in technical sections where quick bursts of power are essential. Because this sprocket is made from lightweight aluminum, it helps your suspension work more effectively by reducing the mass at the rear wheel. This leads to better traction and a more responsive feel across rough terrain. Whether you are racing motocross or tackling challenging enduro trails, this sprocket is built to deliver consistent performance. Upgrade your drivetrain today and experience the difference in your bike's handling and power delivery. Find all your essential motorcycle parts at GGCRACING.

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

Superior Drivetrain Performance

Improve your motorcycle's acceleration and climbing ability with the Sunstar 51T 520 Aluminum Rear Sprocket. Specifically engineered for Husqvarna and KTM off-road machines, this 51-tooth sprocket provides a shorter gear ratio, ideal for technical terrain, tight tracks, or riders who prefer a punchier power delivery. Made from premium aluminum, it offers significant weight savings over steel alternatives without compromising on strength.

Why Choose Sunstar?

  • 51-Tooth Design: Perfect for increasing low-end torque and acceleration.
  • Precision Engineering: CNC-machined for a perfect fit on your hub.
  • 520 Pitch Compatibility: Designed for standard high-performance off-road chains.
  • Weight Reduction: Aluminum construction reduces unsprung weight.
  • Durability: Hard-anodized coating protects against wear and debris.

Sunstar sprockets are the choice of champions, providing the reliability needed to push your bike to the limit. The 51T configuration is a popular modification for riders looking to maximize their bike's potential in technical sections where quick bursts of power are essential. Because this sprocket is made from lightweight aluminum, it helps your suspension work more effectively by reducing the mass at the rear wheel. This leads to better traction and a more responsive feel across rough terrain. Whether you are racing motocross or tackling challenging enduro trails, this sprocket is built to deliver consistent performance. Upgrade your drivetrain today and experience the difference in your bike's handling and power delivery. Find all your essential motorcycle parts at GGCRACING.

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

Superior Drivetrain Performance

Improve your motorcycle's acceleration and climbing ability with the Sunstar 51T 520 Aluminum Rear Sprocket. Specifically engineered for Husqvarna and KTM off-road machines, this 51-tooth sprocket provides a shorter gear ratio, ideal for technical terrain, tight tracks, or riders who prefer a punchier power delivery. Made from premium aluminum, it offers significant weight savings over steel alternatives without compromising on strength.

Why Choose Sunstar?

  • 51-Tooth Design: Perfect for increasing low-end torque and acceleration.
  • Precision Engineering: CNC-machined for a perfect fit on your hub.
  • 520 Pitch Compatibility: Designed for standard high-performance off-road chains.
  • Weight Reduction: Aluminum construction reduces unsprung weight.
  • Durability: Hard-anodized coating protects against wear and debris.

Sunstar sprockets are the choice of champions, providing the reliability needed to push your bike to the limit. The 51T configuration is a popular modification for riders looking to maximize their bike's potential in technical sections where quick bursts of power are essential. Because this sprocket is made from lightweight aluminum, it helps your suspension work more effectively by reducing the mass at the rear wheel. This leads to better traction and a more responsive feel across rough terrain. Whether you are racing motocross or tackling challenging enduro trails, this sprocket is built to deliver consistent performance. Upgrade your drivetrain today and experience the difference in your bike's handling and power delivery. Find all your essential motorcycle parts at GGCRACING.

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