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"Beyond Limits" is the belief of TT Racing Chain. Designed for speed, TT Racing Chain sets a new milestone for bicycle transmission systems, embodying KMC's dedication to near-perfection in every aspect from design to each component. Through innovative technologies and material combinations, employing multiple delicate processes, We has altered the metal organization of the chain links, achieving optimal steel toughness and strength. This ensures a perfect compatibility with the rings, reducing energy loss caused by tooth interference. Precisely capturing every moment of shifting, enhances riding efficiency by 10% at 45 km/hr, whether Starting, Sprinting, or cruising at high speeds. TT 12, through comprehensive and precise tuning, perfectly integrates with, SHIMANO, SRAM, transmission systems. Saving energy while pedaling, which make TT Racing Chain be the decisive factor. Coupled with unique layer featuring dazzling blue-purple hues, it will be symbol of speed in the future.









