Renthal Rear Aluminum Sprocket (42T, 520 Chain) 224U-520-42GPSI - KTM / Husqvarna / Gas Gas / Triumph / CFMOTO / Husaberg 1990-2026

Product Description

Optimize your secondary drive system with the Renthal Rear Aluminum Sprocket[cite: 1]. Precision-engineered for elite performance, this sprocket combines cutting-edge computer-aided weight reduction with extreme durability to handle the rigors of motocross, enduro, and adventure riding.

Manufactured from high-strength, specially enhanced 7075-T6 aluminum, it delivers an ultralight profile that is 33 percent lighter than steel alternatives[cite: 1]. This substantial reduction in unsprung weight maximizes power transfer efficiency while featuring an optimized tooth profile that promotes smooth chain roll, minimized noise, and extended drivetrain longevity[cite: 1].

Top Features: Renthal Rear Aluminum Sprocket

• CNC machined construction utilizing a computer-aided ultra-light design to minimize unsprung weight and boost power transfer[cite: 1].
• Crafted from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel without compromising strength[cite: 1].
• Specialized tooth profile allows the chain to roll on and off effortlessly for reduced noise, less wear, and maximum power transfer[cite: 1].
• Engineered precisely for 520 chain drive applications across a wide range of premier off-road and adventure platforms[cite: 1].

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: How much lighter is this sprocket compared to standard steel options?
A: This sprocket is manufactured from specially enhanced 7075-T6 aluminum, making it 33% lighter than steel to reduce unsprung weight[cite: 1].

Q: Is this sprocket stamped or machined?
A: It is fully CNC machined from solid alloy and features a computer-aided ultra-light design[cite: 1].

Expert Pro-Tip: Always inspect your chain and countershaft sprocket whenever you install a new rear sprocket. Putting a new aluminum sprocket onto a worn or uneven chain will dramatically accelerate tooth wear and reduce overall drive system lifespan.

Recommended Pairings:

• KTM 4-Stroke Performance Parts
• MX Chains
• Motorcycle Tools & Accessories

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