M&W Aluminum Rear Sprocket 41T 6.43 BC 520 Chain — Micro Sprint Drivetrain

SKU: BJFJ_SP520-643-41T
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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 M&W Aluminum

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

High-Performance 41T Aluminum Rear Sprocket

Optimize your drivetrain efficiency with the M&W Aluminum Rear Sprocket. Designed specifically for Micro Sprint racing, this 41-tooth sprocket is crafted from high-grade aluminum to reduce rotating mass, allowing for quicker acceleration and improved throttle response. The 6.43-inch bolt circle (BC) ensures a precise fit for standard racing hubs, providing a secure and reliable connection for your 520 chain setup.

Product Highlights

  • Tooth Count: 41T
  • Bolt Circle: 6.43 inch
  • Chain Pitch: 520
  • Material: Lightweight Aluminum
  • Finish: Natural
  • Application: Micro Sprint Drivetrain

The natural aluminum finish is both functional and durable, designed to withstand the high-torque demands of competitive dirt track racing. By reducing unsprung weight, this sprocket helps your suspension work more effectively, leading to better traction and overall vehicle handling. Whether you are looking to change your gear ratio for a specific track or simply need a high-quality replacement, this M&W sprocket is an excellent choice for performance-minded racers. Ensure your drivetrain is ready for the checkered flag with reliable components from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About M&W Aluminum

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

High-Performance 41T Aluminum Rear Sprocket

Optimize your drivetrain efficiency with the M&W Aluminum Rear Sprocket. Designed specifically for Micro Sprint racing, this 41-tooth sprocket is crafted from high-grade aluminum to reduce rotating mass, allowing for quicker acceleration and improved throttle response. The 6.43-inch bolt circle (BC) ensures a precise fit for standard racing hubs, providing a secure and reliable connection for your 520 chain setup.

Product Highlights

  • Tooth Count: 41T
  • Bolt Circle: 6.43 inch
  • Chain Pitch: 520
  • Material: Lightweight Aluminum
  • Finish: Natural
  • Application: Micro Sprint Drivetrain

The natural aluminum finish is both functional and durable, designed to withstand the high-torque demands of competitive dirt track racing. By reducing unsprung weight, this sprocket helps your suspension work more effectively, leading to better traction and overall vehicle handling. Whether you are looking to change your gear ratio for a specific track or simply need a high-quality replacement, this M&W sprocket is an excellent choice for performance-minded racers. Ensure your drivetrain is ready for the checkered flag with reliable components from GGCRACING.

Product Details

Product Description

About M&W Aluminum

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

High-Performance 41T Aluminum Rear Sprocket

Optimize your drivetrain efficiency with the M&W Aluminum Rear Sprocket. Designed specifically for Micro Sprint racing, this 41-tooth sprocket is crafted from high-grade aluminum to reduce rotating mass, allowing for quicker acceleration and improved throttle response. The 6.43-inch bolt circle (BC) ensures a precise fit for standard racing hubs, providing a secure and reliable connection for your 520 chain setup.

Product Highlights

  • Tooth Count: 41T
  • Bolt Circle: 6.43 inch
  • Chain Pitch: 520
  • Material: Lightweight Aluminum
  • Finish: Natural
  • Application: Micro Sprint Drivetrain

The natural aluminum finish is both functional and durable, designed to withstand the high-torque demands of competitive dirt track racing. By reducing unsprung weight, this sprocket helps your suspension work more effectively, leading to better traction and overall vehicle handling. Whether you are looking to change your gear ratio for a specific track or simply need a high-quality replacement, this M&W sprocket is an excellent choice for performance-minded racers. Ensure your drivetrain is ready for the checkered flag with reliable components from GGCRACING.

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