Sunrace CS-M90 Cassette Fh Cass Sunrace Csm90 11-32 Sl 9s 9-speed MTB cassette Super Fluid Drive? technology Steel cogs and lock ring ~ 350g SHIMANO Equivalent CS-HG50 / CS-HG30 / CS-HG20 11-32t 9sp 11,12,14,16,18,21,24,28,32 Silver