RK Blue Chain (420-106 Connection for 44T Sprocket)Features: Pre lubricated at factory, ensuring low friction and maximum durability Proven high tensile strength Solid bushes for enhanced distortion resistance from repetitive shock loading Hard Chromium Carbide Layer for increased strength and durability Manufactured from carbon alloy steel, heat treated and shot peened for maximum strength and durability, Cold Forged Seamless Bush for longer chain life. All RK chains are pre stressed and pre

Traditionally chain tensile strength has been used to indicate the overall strength and lock dirt out

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