Sram RED XG-1190 11-Speed Cassette 11-25TSRAM X Glide XG-1190 11-Speed Cassette. The centerpiece of the SRAM groupset, the X Gilde cassette is machined from a single block of steel, which makes it the strongest gearset by far. It's hollow construction makes it just about the lightest cassette made by any major manufacturer. New 11-speed SRAM 22 system comaptible.710845778704
