The front derailleur is the mechanism that shifts your chain from chainring to chainring. It moves from side to side as you click your front shift lever, carrying the chain along with it.
Triple FD for 9-speed.A front derailleur for triple cranks for Shimano compatible 9-speed road drivetrains. Compare to 9-speed Shimano Sora. Specifications Model No. FD-R353-F FD-R353-B Chain Ring Triple Cassette Compatibility...