High-performance split sprocket designed for 50mm axles, engineered to deliver maximum durability and precision for racing kart applications. Manufactured from top-tier ERGAL 7075-T6 aluminum and hard-anodized to 40µm, these sprockets are built to withstand extreme conditions and repeated use.
Key Features:
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Material: ERGAL 7075-T6 aluminum for superior strength and wear resistance
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Finish: 40µm hard-anodized coating for maximum surface hardness and longevity
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Design: Split sprocket with a 1mm engineered gap—allows proper clamping force around the axle to prevent slippage
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Chain Pitch: #428
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Axle Size: 50mm
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Precision Fit: 8mm keyway with clamping screw for added security
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Made in Italy: Precision CNC-machined for consistent quality
Performance Advantage:
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Zero-gap sprockets may not clamp tight enough, especially under load—this design prevents gear rotation and axle damage
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Suitable for shifter kart and high-horsepower applications
