The RK #219 Heat-Treated 6061-T6 Aluminum Sprocket is the industry benchmark for serious racers. Precision-machined from aerospace-grade aluminum, fully heat treated, and trusted by leading race teams worldwide, it delivers the longest life, highest durability, and unbeatable performance under extreme horsepower loads. Nothing lasts longer, nothing runs smoother.
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Heat-treated 6061-T6 aerospace aluminum — maximum strength with lightweight design
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Precision CNC machining — flawless tooth profile and chain engagement
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Extreme durability — built to withstand high horsepower and heavy loads
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Anodized — superior wear and corrosion resistance
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Reinforced geometry — prevents flex and maintains perfect alignment
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Proven by top racing teams worldwide — the standard for performance and reliability
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Color and branding may vary between RK, XAM and NKP, rest assured all identical, purely for branding and distribution.
- SPROCKET HARDWARE available separately.
