Renthal Front Sprocket (15 Tooth, 420 Chain) 431-420-15GP - Honda / Kawasaki / Suzuki Mini Bikes 2002-2026

Product Description

Maximize your mini bike or pit bike's power transfer with the Renthal Front Sprocket 431-420-15GP. Engineered specifically for popular Honda, Kawasaki, and Suzuki small-displacement off-road and street models, this countershaft sprocket delivers exceptional durability and precise chain engagement.

CNC-machined from case-hardened and core-refined 655M13 nickel chromium steel, this sprocket combines a hard-wearing exterior shell with a tough, shock-absorbing core. The ultralight grooved design delivers a 10-15% weight savings over stock components, while integrated self-cleaning mud grooves at each tooth prevent buildup and reduce wear.

Top Features: Renthal Front Sprocket

• CNC-machined from case-hardened and core-refined 655M13 nickel chromium steel for maximum strength.
• Ultralight design reduces rotating mass by 10-15% to enhance throttle response and acceleration.
• Machined self-cleaning mud grooves at each tooth prevent packing and increase wear resistance.
• Precision-engineered 420 pitch tooth profile ensures smooth chain engagement and power transfer.

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: Does this front sprocket include a new retaining circlip or hardware?
A: No, mounting hardware and retaining clips are sold separately. Inspect your existing hardware for wear before reinstallation.

Q: Should I replace my chain when installing a new front sprocket?
A: Yes, it is recommended to replace your chain and rear sprocket simultaneously to prevent premature wear caused by mismatched components.

Expert Pro-Tip

Expert Pro-Tip: Always inspect your countershaft seal and spacer for oil leaks or grooves when changing your front sprocket. Clean the splines thoroughly and apply a light coat of waterproof grease before sliding the new sprocket into place.

Recommended Pairings:

• Pit Bike Parts & Accessories
• Honda 4-Stroke 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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