SHIMANO Sora Road Bike CS-HG50-8 8 speed 11-28t Cassette/ Sprocket 689228104334 | eBay
Amazon.com : SHIMANO CS-HG50 11-28 8-Speed Hyperglide Cassette : Bike Cassettes And Freewheels : Sports & Outdoors
Shimano Sora 8 Speed Cassette
Is this Sora rear derailleur (rd r3000 gs) actually compatible with 8 speed cassette or is it seller mistake? Can't find any other information online. : r/bikewrench