Renthal Ultralight Rear Sprocket (51T, Silver) 154U-520-51GRSI - Honda 125cc-650cc 1984-2026

Product Description

The Renthal Ultralight Rear Sprocket is precision-machined to maximize power transfer and minimize unsprung weight for your Honda off-road machine. Built to championship standards, it delivers maximum durability and efficiency on the track or trail.

Constructed from specially enhanced high-strength 7075-T6 aluminum, this sprocket provides exceptional strength while remaining significantly lighter than steel alternatives. Its specialized tooth profile ensures smooth chain rolling action, reducing friction and extending component lifespan.

Top Features: Renthal Ultralight Rear Sprocket

• CNC-machined with a computer-aided ultra-light design to cut unsprung weight and enhance power transfer
• Forged from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel without sacrificing strength
• Advanced tooth profile allows the chain to roll easily on and off for reduced noise and longer wear
• Engineered to strict factory tolerances for a precise drivetrain fit

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 chain size is this rear sprocket engineered for?
A: This sprocket is designed to fit a 520 chain size.

Q: What material is used to construct this rear sprocket?
A: It is precision-machined from high-strength 7075-T6 aluminum.

Expert Pro-Tip: Always inspect your front sprocket and chain condition when replacing your rear sprocket. Installing a new aluminum sprocket onto a heavily worn, stretched chain will cause premature tooth wear and ruin the components rapidly.

Recommended Pairings:

• Honda 4-Stroke Performance Parts
• Honda Motorcycle Performance Parts
• MX Chains

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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