428 RH2 Series - Chain - 25 Feet - Larger diameter alloy carbon steel pins and thicker plates offer increased tensile strength and fatigue resistance - Extended bushings and solid rollers provide improved durability

520 GPZ Series - Chain - 120 Links - Developed exclusively for racing use - Utilize state-of-the-art materials for optimum performance and durability - Feature the patented Z44 sealing rings, which greatly improve performance and wear life, making previous X-ring and Z-ring chains obsolete - 50% reduction in friction compared to traditional O-rings - Constant lubrication from special high-temperature grease in the critical pin/bushing area provides long life - Suitable for Supersport and Superbikes up to 1,000cc