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Renthal Sprocket - Rear - 41 Tooth - 520 Pitch

Renthal Sprocket - Rear - 41 Tooth - 520 Pitch

Precision CNC machined to extremely tight tolerance from high strength 7075 T651 aluminium alloy, ...

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Product Information

Full details

This guide is for motorcycle riders, both on the road and track, seeking to enhance performance through reduced unsprung weight. The Renthal Rear Sprocket offers a significant weight saving and improved power transfer due to its precision CNC machining and high-strength aluminum alloy construction. A potential caveat is its specialized material, which may have different wear characteristics compared to steel sprockets.

All features

Model Part Number404-520-41HA
BrandRenthal

Extended Product Information

FAQs

What is the primary benefit of this aluminum sprocket?

The primary benefit is a significant reduction in weight (66% lighter than steel), which improves acceleration, braking, and handling by reducing unsprung rotational mass.

Is this sprocket suitable for daily commuting?

Yes, while developed for racing, its durable construction and performance benefits can also enhance street riding. However, regular inspection and maintenance are recommended due to the nature of aluminum.

How do I determine if a 520 pitch sprocket is compatible?

You need to check your motorcycle's existing chain and sprocket specifications. A 520 pitch refers to the spacing between the chain rollers. If your motorcycle uses a 520 chain, this sprocket is likely compatible, but always verify the tooth count and overall sprocket dimensions.

How does the aluminum alloy compare to steel in terms of durability?

The 7075 T651 aluminum alloy offers excellent tensile strength and wear resistance for its weight. While highly durable, it may wear differently or be more susceptible to certain types of damage compared to a heavier steel sprocket under extreme conditions.

What is the recommended maintenance schedule?

Regular visual inspections for wear or damage before and after rides are recommended. Clean and lubricate the chain regularly. Consult your motorcycle's service manual and Renthal's guidelines for specific maintenance intervals.

Can I mix this aluminum sprocket with a steel chain?

Yes, this sprocket is designed to be used with compatible chains. Ensure the chain pitch (520 in this case) matches the sprocket.

Troubleshooting

Chain skipping on sprocket

Check chain and sprocket alignment. Ensure the chain is not excessively worn or stretched. Verify correct chain tension.

Premature wear on sprocket teeth

Ensure proper chain lubrication. Check for any debris caught between the chain and sprocket. Verify correct chain tension; too tight can accelerate wear.

Noise from drivetrain

Inspect chain and sprocket for damage or misalignment. Ensure all mounting bolts are tightened to specification. Lubricate the chain adequately.

Pros and Cons

Pros

  • Significant weight reduction improves performance
  • High-strength alloy ensures durability
  • Precision fit minimizes drivetrain wear
  • Enhanced power transfer efficiency
  • Developed for rigorous racing conditions

Cons

  • May require more frequent inspection than steel sprockets
  • Aluminum alloy can be more susceptible to damage from impacts
  • Potentially higher initial cost compared to basic steel sprockets

Setup, Compatibility & Care

Setup: Installation should be performed by a qualified mechanic to ensure proper alignment and torque specifications are met. Verify the sprocket is compatible with your specific motorcycle's make, model, and year, paying close attention to the 520 pitch and tooth count (41T) to match your drivetrain.

Compatibility: This sprocket is designed for motorcycles requiring a 520 pitch chain and a 41-tooth rear sprocket. Always confirm your motorcycle's original specifications before purchase. Refer to the Renthal website or consult a dealer for specific fitment guides.

Care: Regularly inspect the sprocket for wear, damage, or debris. Clean the sprocket and surrounding drivetrain components with appropriate chain cleaner and a soft brush. Ensure proper chain lubrication is maintained to maximize sprocket life. Avoid harsh cleaning chemicals that could degrade the aluminum alloy.

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