The sunrace mx80 11 speed cassette this 11 speed cassette is the perfect solution for riders that don39t want to resort to an expensive expander sprocket and those who want an even and smooth shift between all sprockets sunrace mx80 11 speed cassette features 11 speed wide ratio cassette ratios 11 13 15 18 21 24 28 32 36 42 and 50t weight 526g 7075 alu 42t amp 50t sprockets and spiders shimano hg fit