M&W Aluminum Rear Sprocket 58T 6.43 BC 520 Chain — Micro Sprint Drivetrain

SKU: BJFJ_SP520-643-58T
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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 58T Aluminum Sprocket for Micro Sprints

Upgrade your gear ratio with the M&W Aluminum 58T Rear Sprocket, designed for racers who demand precision and reliability. Featuring a 6.43-inch bolt circle and compatibility with 520 chains, this sprocket is an essential component for fine-tuning your Micro Sprint for specific track conditions. Its lightweight aluminum design ensures that you maintain maximum power transfer while keeping rotating mass to an absolute minimum.

Why Choose M&W Aluminum Sprockets?

  • Tooth Count: 58T for increased torque and acceleration.
  • Bolt Pattern: Precision-machined 6.43-inch bolt circle.
  • Chain Compatibility: Compatible with all standard 520 racing chains.
  • Material: Durable, lightweight aluminum alloy construction.
  • Performance: Engineered to reduce drag and improve drivetrain efficiency.
  • Reliability: Built to handle high-torque demands of sprint racing.

The 58-tooth configuration is perfect for tracks that require quick bursts of speed out of the corners. By utilizing high-quality aluminum, M&W provides a sprocket that is significantly lighter than steel alternatives without sacrificing the strength needed to endure high-stress racing environments. The clean tooth profile ensures smooth engagement with your chain, reducing noise and vibration while extending the life of your entire drivetrain system. Whether you are a weekend warrior or a seasoned pro, you can find the best racing components for your setup at 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 58T Aluminum Sprocket for Micro Sprints

Upgrade your gear ratio with the M&W Aluminum 58T Rear Sprocket, designed for racers who demand precision and reliability. Featuring a 6.43-inch bolt circle and compatibility with 520 chains, this sprocket is an essential component for fine-tuning your Micro Sprint for specific track conditions. Its lightweight aluminum design ensures that you maintain maximum power transfer while keeping rotating mass to an absolute minimum.

Why Choose M&W Aluminum Sprockets?

  • Tooth Count: 58T for increased torque and acceleration.
  • Bolt Pattern: Precision-machined 6.43-inch bolt circle.
  • Chain Compatibility: Compatible with all standard 520 racing chains.
  • Material: Durable, lightweight aluminum alloy construction.
  • Performance: Engineered to reduce drag and improve drivetrain efficiency.
  • Reliability: Built to handle high-torque demands of sprint racing.

The 58-tooth configuration is perfect for tracks that require quick bursts of speed out of the corners. By utilizing high-quality aluminum, M&W provides a sprocket that is significantly lighter than steel alternatives without sacrificing the strength needed to endure high-stress racing environments. The clean tooth profile ensures smooth engagement with your chain, reducing noise and vibration while extending the life of your entire drivetrain system. Whether you are a weekend warrior or a seasoned pro, you can find the best racing components for your setup at 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 58T Aluminum Sprocket for Micro Sprints

Upgrade your gear ratio with the M&W Aluminum 58T Rear Sprocket, designed for racers who demand precision and reliability. Featuring a 6.43-inch bolt circle and compatibility with 520 chains, this sprocket is an essential component for fine-tuning your Micro Sprint for specific track conditions. Its lightweight aluminum design ensures that you maintain maximum power transfer while keeping rotating mass to an absolute minimum.

Why Choose M&W Aluminum Sprockets?

  • Tooth Count: 58T for increased torque and acceleration.
  • Bolt Pattern: Precision-machined 6.43-inch bolt circle.
  • Chain Compatibility: Compatible with all standard 520 racing chains.
  • Material: Durable, lightweight aluminum alloy construction.
  • Performance: Engineered to reduce drag and improve drivetrain efficiency.
  • Reliability: Built to handle high-torque demands of sprint racing.

The 58-tooth configuration is perfect for tracks that require quick bursts of speed out of the corners. By utilizing high-quality aluminum, M&W provides a sprocket that is significantly lighter than steel alternatives without sacrificing the strength needed to endure high-stress racing environments. The clean tooth profile ensures smooth engagement with your chain, reducing noise and vibration while extending the life of your entire drivetrain system. Whether you are a weekend warrior or a seasoned pro, you can find the best racing components for your setup at GGCRACING.

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