Shimano HG50 9 Speed Mountain Bike Cassette Review Posted on July 29, 2018November 9, 2018 By ArchSeaLionPosted in Drivetrain ComponentsTagged Cycling, Outdoor Recreation, Parts & Components, SHIMANO, Sports & Outdoors 9-Speed HG Sprockets deliver fast, quiet and smooth shifts 229 grams (11-25) • 9-Speed• HG Sprockets deliver fast, quiet and smooth shifts • 229 grams (11-25) Brand: Shimano