Shimano Shimano Dura-Ace 9000 Chainring


The Shimano Dura-Ace groupset is well known for its precision engineering. This engineering extends into every part of the groupset, including the 9000-series Chainring. The DA 9000 chainring is made from alloy that has been carbide-reinforced. Carbide is often used in drill tips for longevity…

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