Cassette 12 speed sram gx 10-52 SRAM GX Eagle XG-1275 Cassette - 12-Speed, 10-52t, Black, For XD Driver Body part name: Cassette 12 speedpart make model: sram gx 10-52SRAM GX Eagle XG-1275 Cassette - 12-Speed, 10-52t, Black, For XD Driver Bodybike part approved: