Derailleurs are used to move the chain from one sprocket / cog to another
Shimano FD-M360-3 (63-66 degree) Acera front derailleur, dual-pull, multi-fit, top swing
Shimano RD-3500 Sora rear derailleur, 9-speed - SS
Shimano Tiagra FD-R440 front derailleur, 31.8 mm double For 9-speed road bikes with flat handlebars
Shimano RD-M640 ZEE 10-speed Shadow+ design rear derailleur, SS 32-36T
Shimano RD-2400 Claris 8-speed rear derailleur, SS
Shimano RD-M591 Deore top normal rear derailleur, black
Shimano RD-M591 Deore top normal rear derailleur, silver
Shimano RD-M591 Deore MTB front derailleur Conventional swing, multi fit. Black / Silver
Shimano SLX front derailleur FD-M670-A SLX 10-speed triple front derailleur, top swing, dual-pull
Shimano SLX rear derailleur RD-M675 SLX 10-speed rear derailleur, SGS - Black / Silver
Shimano Deore XT 10-speed rear derailleur RD-M786 Shimano XT 10-speed rear derailleur, SGS - Black
Shimano RD-M610 Deore MTB front derailleur Top swing, Dual Pull. Black / Silver