R539 Front Derailleur (Triple) 8 Speed underwent comprehensive optimization to achieve

underwent comprehensive optimization to achieve super-highly efficient shifting

fabric and sewing

When it's time to replace your 9-speed cassette

AXS enabled for easy monitoring and firmware upgrades

R539 Front Derailleur (Triple) 8 Speed underwent comprehensive optimization to achieveFull metal construction provides stiffness and durability in this Shimano 9 speed road compatible front derailleur. FEATURES: Full aluminum construction Compatible with 9 speed Shimano road drivetrains Designed for use with 52 42 30t chainrings SPECS: Double or Triple: Triple Derailleur Capacity: 22 Front Der Shifter Compatibility: Shimano Road Front Derailleur Cable Pull: Bottom Pull Max Ring (teeth): 52 Front Derailleur Style: Traditional Front