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Dura Ace Rear Derailleur has not only lost weight and is now compatible a wider range of cogsets, but also maintains its superior strength, rigidity and performance. Shimano has specifically designed this derailleur to have an expanded chain wrap capacity to accommodate a maximum 28 tooth cog for better compatibility with compact cranks and its short cage design keeps the package a light 166g.
The Dura Ace Rear Derailleur was crafted with more material at the pivots that allows for quicker and crisper shifting, and an additional pin is strategically placed between the unidirectional carbon fiber cages for superior durability and more reliable shifting.
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