RK racing chains have been the overwhelming choice of World Championship Teams for the past two decades! They have benefited from their long-term OEM relationships with the major Japanese motorcycle manufacturers RK has supplied original chains and chains for racing All high-quality RK chains are made in Japan except the standard RKM series, which are from Malaysia All RK chains feature quad-staked pin riveting, solid rollers and solid bushings, except the RKM and standard series, which have two-point riveting and curled bushings They are all pre-stressed and pre-stretched for better performance with fewer adjustments PERFORMANCE RX-RING SEALED CHAINS (XSO) Lubricated with specially-formulated, vacuum-injected U-grease locked in at 4 sealing points by tough rubber X-rings 30 percent longer wear life than regular O-ring chains Polished and shot-peened link plates High tensile strength ensures reliable performance Max. Engine Size: 750cc Tensile Strength: 7,500 Wear Life Index: 750 (Wear life Index should be used as a comparison for probable wear life under identical circumstances. Think of it as a percent, with standard chains being 100) If your motorcycle came factory-equipped with an O-Ring, it must be replaced with an O-Ring chain Includes a Rivet Type Master Link Replacement connecting link: Clip-Type: part no. 11-9997 Rivet-Type: part no. 11-9998
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