Originally Posted by
GhostRider62
Astonishing that 12 speed cassettes were not around for decades.
Shimano and Campy have it right, SRAM's 10T is a stupid waste of watts. It "feels" awful when pedaling and is measurably a waste of energy.
Campy has a 9-36 and 9-42 available. I marginally agree with you and use their 10-44.