SHIMANO TOURNEY TY - 6, 7, 8-Speed - HYPERGLIDE MTB Chain. SHIMANO CAPREO - 9-Speed - Super Narrow - HYPERGLIDE - Chain. SHIMANO DEORE - 10-Speed - Super Narrow - HG-X - MTB Chain. The HG-40 chain is designed for precise index shifting on 6, 7, and 8-speed HYPERDRIVE SIS and DUAL SIS drivetrains.
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