SUNRACE CS-MS 11s Cassette CASSETTES & COGS 180219
FH CASS SUNRACE CSMS 11-51 BK 11s CS-MS 11s Cassette 4710944267556 11-SPD 11-speed wide range cassette Hi-Tensile steel construction with engineering grade polymer spacers 6 sprockets on 2 alloy spiders Steel lockring 11-51t 11sp 11,13,15,18,21,24,28,33,39,45,51 Black 11-51t, 11,13,15,18,21,24,28,33,39,45,51, Black BLACK