microSHIFT R439 Front Derailleur - 9-Speed, Triple 52/42/30T, Braze-On, Shimano Compatible

A classic design that's backwards compatible with older 3x9 road drivetrains, the microSHIFT R439 front derailleur features quality construction and modern functionality that provides smooth shifting.

• Compatible with 9-speed Shimano road drivetrains
• Designed for use with 30/42/52t chainrings