Shimano Ultegra 6600 10-Speed Chain

Mushrooming of the pins gives unsurpassed side-plate retention, enabling the chain to far exceed the BS/ISO standard for breaking force. Features: 5.88 mm chain width, optimised for 10-speedSuperNarrow HG drivetrains Zinc-alloy silver finish on outer plates, and grey finish on inner plates increase corrosion resistance 114 links, 280 grams.

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