Sram X7 2x10 Front derailleur

 sram X7 Front derailleur  (under & above below)

directly mounted 2x10

"Shifting" in a bicycle, also known as a front chainring or front derailleur, is a part of the bicycle's drivetrain system that functions to shift the chain to different sprockets at the front (on the crank) to change speed and pedaling force.