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
Rear Derailleur touching Cassette since replacing 8 speed with 9 speed | Mountain Bike Reviews Forum
MicroShift Acolyte Super Short Cassette - 8 Speed, 11-38t, Black, ED Coated | Tree Fort Bikes