Each kit is provided with a heat-treated front sprocket, induction hardened rear sprocket and a precut Regina chain to make it convenient for the dealer or consumer Chain is ReginaÆs high-performance Z-ring series with gold outer plates and Z44 sealing rings, which dramatically improves performance and wear life; includes rivet-type masterlinks Sprockets are made of high-quality steel and have OEM gearing. CHAIN KIT YAM YZF1000R1