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Precision shifting by front and rear derailleurs in a 12-speed chain has required a huge amount of research and development to make it as reliable and long-lasting as an 11-speed chain. The new Chorus 12 chain ensures the same performance and reliability levels as that of the Super Record groupset, its 110 links weighing only 241 grams. FEATURES & BENEFITS Width from 5.15 mm Faster lighter shiftiing Extremely high performance levels and durability over time Pins aligned with the external surface Smoothness and precision Unchanged resistance to wear and tear A lighter, narrower chain than the 11-speed, but just as durable Optimized design Optimum performance in line with the design of the teeth on the sprockets and crowns Ultra-link System Top-level smoothness and less dispersion.
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