SRAM Pg-1170 11 Speed Cassette The SRAM Power Glide 1170 cassette was a high quality 11 speed cassette provides smooth, quiet shifting. The semi- splined design is light, strong, and efficient. Specifications Weight231g (11-25T)Material Heat Treated Steel Cog Cluster Gear Ratios11-25: 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 25, 11-26: 11, 12, 13, 14, 15, 16, 17, 19, 21, 23, 26, 11-28: 11, 12, 13, 14, 15, 16, 17, 19, 22, 25, 28, 11-32: 11, 12, 13, 14, 15, 17, 19, 22, 25, 28, 32Speeds11Recommended Chain SRAM RED 22 chain, SRAM PC-1170 chain Lock Ring Material Aluminum | Sram | Pg-1170 11 Speed Cassette 11-36T, 11 Speed