EFC4700DX84 - Shimano FC-4700 Tiagra crankset, 2 x 10-speed, 48x34T, with 172.5 mm crankarms and Hollowtech II. - 4550170448417

EFC4700DX04 - Shimano FC-4700 Tiagra crankset, 2 x 10 speed, 50x34T chainrings and 172.5 mm crankarms with Hollowtech II. - 4524667925811

EFCM51002EX66 - Shimano Deore FC-M5100-2 crankset, 2 x 11 speed, 36x26T chainrings, 175 mm crankarms, 96/64 mm BCD, Hollowtech II. - 4550170618339

EFCM51002BEX66 - Shimano FC-M5100-B2 crankset for 2 x 11-speed drivetrains, with 36x26T chainrings, 175 mm crankarms and Hollowtech II. - 4550170618308