M&W Aluminum Rear Sprocket 49T 5.25in BC 520 Chain — Micro Sprint

SKU: BJFJ_SP520-525-49T
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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 M&W Aluminum Rear Sprocket

Fine-tune your micro sprint's gearing with the M&W Aluminum Rear Sprocket. Featuring a 49-tooth count, this sprocket is designed to provide the optimal balance between off-the-corner acceleration and top-end speed. Machined from premium aluminum, this sprocket provides a lightweight alternative to steel, reducing rotating mass and allowing your engine to transfer power to the rear wheels more efficiently.

Technical Specifications

  • Tooth Count: 49T
  • Bolt Pattern: 5.25 inches
  • Chain Compatibility: 520 Pitch
  • Material: High-Grade Aluminum
  • Application: Micro Sprint Racing

The 5.25-inch bolt pattern is engineered for a precise, vibration-free fit on standard micro sprint hubs. This ensures that your chain drive system operates smoothly, reducing wear on both the chain and the sprocket teeth. The natural aluminum finish is designed for durability, standing up to the rigors of dirt track racing while maintaining its structural integrity. Choosing the right sprocket is a key part of track-side tuning, and the 49T option is a versatile choice for a variety of track sizes and conditions. By minimizing drivetrain weight, you improve the overall responsiveness of your vehicle, giving you a competitive edge when accelerating out of the corners. Trust M&W Aluminum for high-quality drivetrain components that help you maintain your lead. Discover the full range of racing sprockets and drivetrain upgrades available 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 M&W Aluminum Rear Sprocket

Fine-tune your micro sprint's gearing with the M&W Aluminum Rear Sprocket. Featuring a 49-tooth count, this sprocket is designed to provide the optimal balance between off-the-corner acceleration and top-end speed. Machined from premium aluminum, this sprocket provides a lightweight alternative to steel, reducing rotating mass and allowing your engine to transfer power to the rear wheels more efficiently.

Technical Specifications

  • Tooth Count: 49T
  • Bolt Pattern: 5.25 inches
  • Chain Compatibility: 520 Pitch
  • Material: High-Grade Aluminum
  • Application: Micro Sprint Racing

The 5.25-inch bolt pattern is engineered for a precise, vibration-free fit on standard micro sprint hubs. This ensures that your chain drive system operates smoothly, reducing wear on both the chain and the sprocket teeth. The natural aluminum finish is designed for durability, standing up to the rigors of dirt track racing while maintaining its structural integrity. Choosing the right sprocket is a key part of track-side tuning, and the 49T option is a versatile choice for a variety of track sizes and conditions. By minimizing drivetrain weight, you improve the overall responsiveness of your vehicle, giving you a competitive edge when accelerating out of the corners. Trust M&W Aluminum for high-quality drivetrain components that help you maintain your lead. Discover the full range of racing sprockets and drivetrain upgrades available 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 M&W Aluminum Rear Sprocket

Fine-tune your micro sprint's gearing with the M&W Aluminum Rear Sprocket. Featuring a 49-tooth count, this sprocket is designed to provide the optimal balance between off-the-corner acceleration and top-end speed. Machined from premium aluminum, this sprocket provides a lightweight alternative to steel, reducing rotating mass and allowing your engine to transfer power to the rear wheels more efficiently.

Technical Specifications

  • Tooth Count: 49T
  • Bolt Pattern: 5.25 inches
  • Chain Compatibility: 520 Pitch
  • Material: High-Grade Aluminum
  • Application: Micro Sprint Racing

The 5.25-inch bolt pattern is engineered for a precise, vibration-free fit on standard micro sprint hubs. This ensures that your chain drive system operates smoothly, reducing wear on both the chain and the sprocket teeth. The natural aluminum finish is designed for durability, standing up to the rigors of dirt track racing while maintaining its structural integrity. Choosing the right sprocket is a key part of track-side tuning, and the 49T option is a versatile choice for a variety of track sizes and conditions. By minimizing drivetrain weight, you improve the overall responsiveness of your vehicle, giving you a competitive edge when accelerating out of the corners. Trust M&W Aluminum for high-quality drivetrain components that help you maintain your lead. Discover the full range of racing sprockets and drivetrain upgrades available at GGCRACING.

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