Sram pg1130 11 speed road cassette sram has risen to the highest levels of professional cycling by giving riders componentry that inspires confidence and performs flawlessly with many of the worlds top teams making the leap to sram there is little doubt that wins at the classics grand tours ironman and cross worlds were due in part to the lightest most efficient and ergonomic road componentry ever made features three options 11 26 260g 11 28 271g or 11 32 310g heat treated