Sunstar

Sunstar Steel Rear Sprocket 51T-420 — Fits Husqvarna & KTM Off-Road

Sunstar Steel Rear Sprocket 51T-420 — Fits Husqvarna & KTM Off-Road
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Sunstar Steel Rear Sprocket 51T-420 — Fits Husqvarna & KTM Off-Road
Sunstar

Sunstar Steel Rear Sprocket 51T-420 — Fits Husqvarna & KTM Off-Road

SKU: FJMF_2-139051
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About Sunstar Sunstar engineers high-quality automotive parts and accessories trusted ...Read More

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$47.95
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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
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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.

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Sunstar Steel Rear Sprocket: Precision Engineering for Off-Road

Maximize your drivetrain efficiency with the Sunstar 51T-420 steel rear sprocket. Designed for riders who demand reliability in the harshest conditions, this sprocket is manufactured from high-grade hardened steel to ensure superior longevity compared to aluminum alternatives. Whether you are hitting the motocross track or navigating technical enduro trails, the 51T configuration provides the perfect balance of low-end torque and top-end speed for your Husqvarna or KTM machine.

Key Features and Benefits

  • High-Durability Steel: Heat-treated for maximum wear resistance and extended service life.
  • Precision Machining: Exact tooth profile ensures smooth chain engagement and reduced friction.
  • Optimized Gearing: The 51-tooth count is ideal for riders seeking improved acceleration out of corners.
  • Perfect Fitment: Engineered specifically for compatibility with 420-pitch chains on select Husqvarna and KTM models.

When you choose Sunstar, you are choosing a brand trusted by factory race teams worldwide. This sprocket is designed to withstand the high-stress loads of competitive racing while maintaining consistent performance throughout your ride. Experience smoother shifting and reliable power delivery on every lap. Enhance your bike's drivetrain today with premium components from 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

Sunstar Steel Rear Sprocket: Precision Engineering for Off-Road

Maximize your drivetrain efficiency with the Sunstar 51T-420 steel rear sprocket. Designed for riders who demand reliability in the harshest conditions, this sprocket is manufactured from high-grade hardened steel to ensure superior longevity compared to aluminum alternatives. Whether you are hitting the motocross track or navigating technical enduro trails, the 51T configuration provides the perfect balance of low-end torque and top-end speed for your Husqvarna or KTM machine.

Key Features and Benefits

  • High-Durability Steel: Heat-treated for maximum wear resistance and extended service life.
  • Precision Machining: Exact tooth profile ensures smooth chain engagement and reduced friction.
  • Optimized Gearing: The 51-tooth count is ideal for riders seeking improved acceleration out of corners.
  • Perfect Fitment: Engineered specifically for compatibility with 420-pitch chains on select Husqvarna and KTM models.

When you choose Sunstar, you are choosing a brand trusted by factory race teams worldwide. This sprocket is designed to withstand the high-stress loads of competitive racing while maintaining consistent performance throughout your ride. Experience smoother shifting and reliable power delivery on every lap. Enhance your bike's drivetrain today with premium components from 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

Sunstar Steel Rear Sprocket: Precision Engineering for Off-Road

Maximize your drivetrain efficiency with the Sunstar 51T-420 steel rear sprocket. Designed for riders who demand reliability in the harshest conditions, this sprocket is manufactured from high-grade hardened steel to ensure superior longevity compared to aluminum alternatives. Whether you are hitting the motocross track or navigating technical enduro trails, the 51T configuration provides the perfect balance of low-end torque and top-end speed for your Husqvarna or KTM machine.

Key Features and Benefits

  • High-Durability Steel: Heat-treated for maximum wear resistance and extended service life.
  • Precision Machining: Exact tooth profile ensures smooth chain engagement and reduced friction.
  • Optimized Gearing: The 51-tooth count is ideal for riders seeking improved acceleration out of corners.
  • Perfect Fitment: Engineered specifically for compatibility with 420-pitch chains on select Husqvarna and KTM models.

When you choose Sunstar, you are choosing a brand trusted by factory race teams worldwide. This sprocket is designed to withstand the high-stress loads of competitive racing while maintaining consistent performance throughout your ride. Experience smoother shifting and reliable power delivery on every lap. Enhance your bike's drivetrain today with premium components from GGCRACING.

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