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Shimano's 10-Speed Dura-Ace Chain delivers awesome shifting, reliability, and durability. The links are asymmetrical for faster, smoother shifting, superior power transfer and a quieter drivetrain overall. Plus, there are hollow pins for lightness.
Features and Information
For optimum shifting and braking, Shimano 7900 Dura-Ace components are best as a system (they're not recommended for use with previous versions of Dura-Ace).