- Compatible with 9-speed Shimano road drivetrains
- Designed for use with 30/42/52t chainrings
- Derailleur Capacity: 22
- Front Derailleur Clamp: Braze-on
- Front Derailleur Cable Pull: Bottom Pull
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 road drivetrains. Designed for use with 30/42/52t chainrings. Item Specifications: Double or Triple: Triple, Drivetrain Speeds: 9, Derailleur Capacity: 22, Front Derailleur Clamp: Braze-on, Front Derailleur Cable Pull: Bottom Pull, Front Der/Shifter Compatibility: Road, Max Ring (teeth): 52, Front Derailleur Style: Traditional,