Sunstar Steel Rear Sprocket 45T-428 — Fits Yamaha Off-Road Motorcycles

SKU: FJMF_2-210445
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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.

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Durable Sunstar 45T Steel Rear Sprocket

Achieve the perfect gearing balance with the Sunstar 45T 428 Steel Rear Sprocket. Designed for Yamaha riders who want to optimize their motorcycle for a variety of conditions, this 45-tooth sprocket offers a great middle-ground for both acceleration and top-end speed. Sunstar is renowned for their commitment to quality, ensuring that this sprocket provides the longevity needed for demanding off-road environments.

Key Features

  • 45-Tooth Design: Provides versatile gearing for a wide range of riding styles and track conditions.
  • 428 Pitch Compatibility: Engineered for precision fitment with 428 chains.
  • High-Grade Steel: Heat-treated for maximum surface hardness and resistance to debris.
  • Exact Fitment: Designed to meet or exceed OEM specifications for Yamaha motorcycles.

The Sunstar steel rear sprocket is a staple for riders who value reliability above all else. Its robust construction ensures that it can handle the intense power delivery of modern off-road engines without premature tooth wear. By maintaining a clean and well-lubricated drivetrain, this sprocket will help extend the life of your entire chain kit. Whether you are a weekend trail rider or a competitive racer, the Sunstar 45T sprocket delivers consistent performance every time you hit the dirt. Upgrade your drivetrain with confidence knowing you are using industry-leading components. Shop the full range of drivetrain upgrades 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

Durable Sunstar 45T Steel Rear Sprocket

Achieve the perfect gearing balance with the Sunstar 45T 428 Steel Rear Sprocket. Designed for Yamaha riders who want to optimize their motorcycle for a variety of conditions, this 45-tooth sprocket offers a great middle-ground for both acceleration and top-end speed. Sunstar is renowned for their commitment to quality, ensuring that this sprocket provides the longevity needed for demanding off-road environments.

Key Features

  • 45-Tooth Design: Provides versatile gearing for a wide range of riding styles and track conditions.
  • 428 Pitch Compatibility: Engineered for precision fitment with 428 chains.
  • High-Grade Steel: Heat-treated for maximum surface hardness and resistance to debris.
  • Exact Fitment: Designed to meet or exceed OEM specifications for Yamaha motorcycles.

The Sunstar steel rear sprocket is a staple for riders who value reliability above all else. Its robust construction ensures that it can handle the intense power delivery of modern off-road engines without premature tooth wear. By maintaining a clean and well-lubricated drivetrain, this sprocket will help extend the life of your entire chain kit. Whether you are a weekend trail rider or a competitive racer, the Sunstar 45T sprocket delivers consistent performance every time you hit the dirt. Upgrade your drivetrain with confidence knowing you are using industry-leading components. Shop the full range of drivetrain upgrades 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

Durable Sunstar 45T Steel Rear Sprocket

Achieve the perfect gearing balance with the Sunstar 45T 428 Steel Rear Sprocket. Designed for Yamaha riders who want to optimize their motorcycle for a variety of conditions, this 45-tooth sprocket offers a great middle-ground for both acceleration and top-end speed. Sunstar is renowned for their commitment to quality, ensuring that this sprocket provides the longevity needed for demanding off-road environments.

Key Features

  • 45-Tooth Design: Provides versatile gearing for a wide range of riding styles and track conditions.
  • 428 Pitch Compatibility: Engineered for precision fitment with 428 chains.
  • High-Grade Steel: Heat-treated for maximum surface hardness and resistance to debris.
  • Exact Fitment: Designed to meet or exceed OEM specifications for Yamaha motorcycles.

The Sunstar steel rear sprocket is a staple for riders who value reliability above all else. Its robust construction ensures that it can handle the intense power delivery of modern off-road engines without premature tooth wear. By maintaining a clean and well-lubricated drivetrain, this sprocket will help extend the life of your entire chain kit. Whether you are a weekend trail rider or a competitive racer, the Sunstar 45T sprocket delivers consistent performance every time you hit the dirt. Upgrade your drivetrain with confidence knowing you are using industry-leading components. Shop the full range of drivetrain upgrades at GGCRACING.

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