Classified 11 speed cassettes are designed to operate with Shimano CN-HG601-11, CN-HG701-11 and CN-HG901-11 11-speed chains. Alternatively KMC X11 and DLC11 chains are also compatible.
Classified 12 speed cassettes are designed to operate with Shimano CN-M8100-12, CN-M7100-12, SRAM CN-FRC-D1 Alternatively KMC X12 and DLC12 chains are also compatible.
Classified 13 speed cassettes are designed to operate with Campagnolo C13