Elite road racers demand reliable and precise shifting, 11-speed Dura-Ace R9100 delivers with its super-lightweight yet durable designLighter and intuitive shifting operation thanks to toggle link leverage constructionThanks to improvements in the cage design outer trim is no longer required allowing the rider to focus on racingLightweight nickel-plated forged alloy chain cage reduces weight and increases rigidity whilst resisting abrasion from the chainExtra wide pivot link and optimised spring tension gives a rigid, flex free shift while being smooth and light actionForged aluminium construction reduces weight without sacrificing durabilityHard-wearing finish expected of Dura-AceIntegrated cable tension adjustmentMaximum capacity of 16 teeth, for use with outer rings 50-55TWeight: 69 g (braze-on)