Shimano Dura-Ace HG 10-Speed Chain

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Chain tool/TL-CN23 or TL-CN32 is required for connecting chain (sold separately). Not compatible with 9-speed system. Super-flush surface of the side plates glides more smoothly across the entire cogset. This 10-speed chain is super narrow and specifically designed for Shimano® 10-speed drivetrains. Wide pivot link suppresses flex for faster, more precise front shifts.