11 speed wide cassette that are light. - Page 3 - Weight Weenies
SRAM Appeases Weight Weenies and Retrogrouches with New WiFLi XG1190 Cassettes, Barcon Shifters - Cyclocross Magazine - Cyclocross and Gravel News, Races, Bikes, Media
Shimano 105 CS-R7000 11-Speed Cassette at WesternBikeworks