RENTHAL
Renthal Ultralight Rear Sprocket (Silver, 47T) 408U-420-47GESI - Kawasaki / Suzuki 65cc 2000-2026
Renthal Ultralight Rear Sprocket (Silver, 47T) 408U-420-47GESI - Kawasaki / Suzuki 65cc 2000-2026
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Renthal Ultralight Rear Sprocket (Silver, 47T) 408U-420-47GESI - Kawasaki / Suzuki 65cc 2000-2026
Product Description
Maximize your power transfer and reduce unsprung weight on your youth race bike 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 high-strength, specially enhanced 7075-T6 aluminum, these precision CNC-machined sprockets are 33 percent lighter than steel. The computer-aided ultra-light design drops weight significantly while featuring a specialized tooth profile that allows the chain to roll easily on and off for longer wear, less noise, and more power.
Top Features: Renthal Ultralight Rear Sprocket
- CNC-machined (not stamped) with a computer-aided ultra-light design to reduce unsprung weight and boost power transfer.
- Made from high-strength, specially enhanced 7075-T6 aluminum that is 33% lighter than steel.
- Special tooth profile allows the chain to roll easily on and off for extended wear life and less noise.
- Engineered specifically for a 420 chain size to ensure optimal drivetrain performance.
Please review the detailed compatibility data below to ensure an exact fitment match for your motorcycle before finalizing your purchase.
Fitment List
| Year Range | Vehicle Brand | Vehicle Model & Sub-Model |
|---|---|---|
| 2000-2026 | Kawasaki | KX65 |
| 2003-2005 | Suzuki | RM65 |
Frequently Asked Questions
Q: How much weight does this aluminum sprocket save compared to steel?
A: It is constructed from high-strength 7075-T6 aluminum that is 33% lighter than comparable steel sprockets to reduce rotating mass.
Q: What chain pitch size is required for this sprocket?
A: This specific rear sprocket is designed to match a 420 chain size.
Expert Pro-Tip
Expert Pro-Tip: Always inspect your chain rollers, guides, and front countershaft sprocket when installing a new rear sprocket. Running an aluminum rear sprocket alongside worn front sprockets or a bound chain will drastically accelerate tooth wear.
Recommended Pairings:
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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