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The Renthal 441U-428-50GPOR UltraLight Rear Chainwheel is engineered for high-performance powersports applications, specifically designed to fit various KTM models including the 2007 to 2011 KTM 85 SX and 105 SX. Constructed from CNC-machined 7075 T6 aluminum, this rear sprocket offers exceptional strength while being approximately 66% lighter than traditional steel alternatives. Its lightweight design reduces rotational mass, contributing to improved acceleration and handling. Computer-engineered with precise tolerances, the sprocket ensures a perfect fit, optimal concentricity, and even load dispersion, which enhances power transfer efficiency during aggressive riding. The tooth profile is meticulously designed to maximize grip and durability, ensuring reliable performance even under demanding conditions. High-strength base material combined with advanced manufacturing processes and durable surface treatments makes this sprocket an ideal choice for competitive racing and serious trail riding. Its vibrant orange anodized finish not only provides corrosion resistance but also adds a striking visual appeal to your bike's drivetrain. Whether you're replacing worn components or upgrading for better performance, the Renthal UltraLight Rear Chainwheel delivers the reliability and strength needed for competitive and recreational riding alike. Designed to seamlessly fit your KTM, this sprocket is a testament to Renthal's commitment to quality and innovation in powersports components.
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