CN-HG40 - 6/7/8 Speed - 116L. CN-M8100 - 12 Speed - 126L. CN-M7100 - 12 Speed - 126L. SHIMANO TOURNEY TY - 6, 7, 8-Speed - HYPERGLIDE MTB Chain. SHIMANO DEORE - 10-Speed - Super Narrow - HG-X - MTB Chain.
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