Shimano FC-R9200 DURA-ACE 12SPD 172.5MM 54-40T

The DURA-ACE FC-R9200 crank performs two vital functions: transferring your pedaling effort into the drivetrain and ensuring the fastest, most precise front shifting available. With HOLLOWTECH II crank arms to ensure light weight and Shimano's class-leading chainring designs, the FC-R9200 won't let you down. 172.5MM 54-40T. New 54-40T option to realize the most efficient drivetrain.