Renthal Rear Sprocket (Aluminum, 40T, 520 Chain) 203U-520-40GPSI- Gas Gas / Kawasaki / Suzuki 1985-2025

Product Description

Maximize your machine's secondary drive efficiency with the Renthal Rear Sprocket. Engineered for riders who demand precision, this sprocket combines a featherlight construction with competition-proven toughness to deliver optimal power transfer on the track or trail.

CNC-machined from a specially enhanced 7075-T6 aluminum alloy, this ultralight component is significantly lighter than stock steel alternatives while maintaining exceptional structural integrity. Integrated self-cleaning mud grooves at every tooth clear out debris dynamically to minimize premature wear.

Top Features: Renthal Rear Sprocket

• CNC-machined from a specially enhanced 7075-T6 aluminum alloy for superior strength-to-weight performance.
• Machined self-cleaning mud grooves at each tooth help increase wear resistance by preventing debris buildup.
• Advanced ultralight design makes it dramatically lighter than steel while preserving ultimate longevity.
• Engineered precisely for 520 chain compatibility and optimized tooth engagement.

Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.

Fitment List

Frequently Asked Questions

Q: What material is this rear sprocket made of?
A: It is precision CNC-machined from a specially enhanced 7075-T6 aluminum alloy.

Q: Does this sprocket help prevent mud buildup?
A: Yes, it features machined self-cleaning mud grooves at each tooth to clear dirt, sand, and mud, increasing wear resistance.

Expert Pro-Tip: Always replace your chain and sprockets as a complete matched set. Installing a new aluminum rear sprocket onto a worn, stretched chain will cause rapid, premature tooth wear and ruin your drivetrain investment.

Recommended Pairings:

• MX Chains
• Suzuki LT-Z400 Quadsport Performance Parts
• Motorcycle Tools & Accessories

About Moto-House MX

At Moto-House MX, we carry the best brands in motocross and off-road performance. Our team has over 40 years of experience helping riders get more out of their bikes. We pride ourselves on great customer service, and every item ships FAST - straight to your door.

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