Sometimes all you need is a fresh coat of paint. With revised graphics to match SRAM RED eTap components, the PowerdomeX is still the most advanced cassette ever made. It's super light, deadly silent, and delivers an undeniable performance advantage. Sram Red XG-1190 Cassette Features 11 Speed Gearing 11-25t, 11-26t, 11-28t, 11-30t, 11-32t Cog finish (Cassette) Silver Technology (Cassette) XG Cog sizes 11-25t:11,12,13,14,15,16,17,19,21,23,25, 11-26t:11,12,13,14,15,16,17,19,21,23,26, 11-28t:11,12,13,14,15,16,17,19,22,25,28, 11-30t:11,12,13,14,15,17,19,21,24,27,30, 11-32t:11,12,13,14,15,17,19,22,25,28,32 Cogs on cluster 9