Renthal Ultralight Rear Sprocket (Silver, 52T) 154U-520-52GRSI - Honda CR125R / CR250R / CRF250R / CRF450R 1984-2026

Product Description

Maximize your power transfer and reduce unsprung weight with the Renthal Ultralight Rear Sprocket. Engineered specifically for high-performance off-road riding, this sprocket delivers professional-grade durability without adding unnecessary mass to your rear wheel.

Manufactured from specially enhanced 7075-T6 aluminum, these sprockets are precision CNC-machined to tight tolerances. The computer-aided ultra-light design drops weight significantly compared to stock steel components while maintaining exceptional tensile strength and longevity.

Top Features: Renthal Ultralight Rear Sprocket

• CNC-machined from high-strength, specially enhanced 7075-T6 aluminum for ultimate durability.
• Computer-aided ultra-light design reduces unsprung weight to increase overall power transfer.
• Engineered to be 33% lighter than comparable steel sprockets without sacrificing structural strength.
• Specialized tooth profile allows the chain to roll easily on and off for reduced wear and noise.

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: Is this sprocket lighter than a stock steel unit?
A: Yes, it is manufactured from 7075-T6 aluminum, making it approximately 33% lighter than standard steel sprockets to reduce rotating mass.

Q: What chain pitch size is this sprocket designed for?
A: This rear sprocket is engineered specifically for a 520 chain size.

Expert Pro-Tip

Expert Pro-Tip: Always replace your chain and both front and rear sprockets at the same time as a matched set. Installing a new aluminum sprocket on an old, stretched chain will cause accelerated tooth wear and drastically shorten the lifespan of the component.

Recommended Pairings:

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

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