SRAM X01 XG- 1195 Cassette The SRAM XG- 1195 is an 11 speed cassette that features a gear range of 10-42 teeth. A one by eleven speed drivetrain provides the rider with unbelievable freedom. The gear ranging ensures that each step is even. The cog cluster is comprised of 4130 chromoly steel and the largest cog is made of AL-7075- T6, together they are durable yet light weight. Technology Highlight(s) X-DOME Weight 275g Material 4130 chromoly steel (cog cluster), AL-7075-T6 (largest cog) Gear Ratios 10-12-14-16-18-21-24-28-32-36-42 Speeds 11-speed Recommended Chain PC-XX1 Recommended Group X01, XX1 Compatibility PC-XX1 Chain, XD Driver Body | SRAM Xg-1195 X01 11 Speed Cassette 10-42 Tooth