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Dura-Ace moves to the next generation. Tested in competition and taken to victory by pro riders in all conditions, including the 2012 Tour de France Team Sky. Cutting edge technology for the ultimate in control and confidence.
With smaller, sleeker hoods, the 11-speed compatible ST-9000 STI units deliver improved ergonomics for better rider comfort and control, with reduced lever stroke and lighter action. Improved ergonomics provide a more comfortable fit for riders with smaller hands, and easier operation for those with larger hands.