SHIMANO - 6, 7, 8-Speed - HYPERGLIDE MTB Chain CN-HG40The HG-40 chain is designed for precise index shifting on 6, 7, and 8-speed HYPERDRIVE SIS and DUAL SIS drivetrains.Shimano - 6, 7, 8-Speed MTB Chain | Bike Chain$24.99PriceQuantity*Add to CartBuy Now