The Shimano Tourney CN-HG40 chain is designed for precise index shifting on 6, 7, and 8-speed Hyperdrive SIS and Dual SIS drivetrains.

HyperGlide 6 7 8-Speed chainOptimized chain for HG sprocket which provides a fast and precise rear shifting performance (especially during downshifts)Includes Shimano Quick Link SM-UG51The CN-HG40 chain meets durability requirements for E-MTB applications

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