SRAM: THE PATH TO GREATNESS The PowerGlide™ 1050 cassette offers an innovative approach to 10-Speed cassette design. Our cassette performance is optimized by material choice, tooth profile and shift ramp design for quick and positive index shifting. Model: CS-PG-1050-A1 Speed (CS): 10s Gearing: 11-23t, 11-26t, 11-28t, 11-32t, 11-36t, 12-25t, 12-26t, 12-27t, 12-28t, 12-32t or 12-36t Cog finish (Cassette): Silver Technology (Cassette): PG Cog sizes: 11-23t (11,12,13,14,15,16,17,19,21,23) 11-26t (11,12,13,14,15,17,19,21,23,26) 11-28t (11,12,13,14,15,17,19,22,25,28) 11-32t (11,12,14,15,17,19,22,25,28,32) 11-36t (11,13,15,17,19,22,25,28,32,36) 12-25t (12,13,14,15,16,17,19,21,23,25) 12-26t (12,13,14,15,16,17,19,21,23,26) 12-27t (12,13,14,15,16,17,19,21,24,27) 12-28t (12,13,14,15,16,17,19,22,25,28) 12-32t (12,13,14,15,17,19,22,25,28,32) 12-36t (12,13,15,17,19,22,25,28,32,36) SRAM part reference FWS151123 = 00.2418.034.000 (11-23t) FWS151126 = 00.2418.034.001 (11-26t) FWS151128 = 00.2418.034.002 (11-28t) FWS151132 = 00.2418.034.003 (11-32t) FWS151136 = 00.2418.034.004 (11-36t) FWS151225 = 00.2418.034.005 (12-25t) FWS151226 = 00.2418.034.006 (12-26t) FWS151227 = 00.2418.034.007 (12-27t) FWS151228 = 00.2418.034.008 (12-28t) FWS151232 = 00.2418.034.009 (12-32t) FWS151236 = 00.2418.034.010 (12-36t). Technology: Power Glide Recommended Chain: PC-1090R, PC-1090, PC-1070, PC-1050, PC-1030 Lock Ring Material: Steel / Pad printed finish Sprocket Material: Heat treated steel / Blast Silver