Shimano Alivio FD-M3120-D Front Derailleur - 2x9-Speed, Side Swing, Front Pull, Direct Mount, 36t MaxThe Shimano Alivio FD M3120 Front Derailleur features side swing action for enhanced cable routing and smooth operation. For 2x9 drivetrains Chainstay angle: 64 69 degrees Chainline: 48. 8mm 51. 8mm Product Specifics Drivetrain Speeds: 9 Double or Triple: Double Front Der Shifter Compatibility: Shimano Mountain Front Derailleur Cable Pull: Front Pull Front Derailleur Clamp: High Direct Mount Front Derailleur Style: Side Swing Max Ring (teeth): 36