Alivio FD-M3120-E Front Derailleur - 2x9-Speed Side Swing Front Pull E-Type Mount 36t Max

The Shimano Alivio FD-M3120-E Front Derailleur is a top - notch choice for 2x9 drivetrains. It features a side - swing action that not only enhances cable routing but also ensures smooth operation. This derailleur is designed to work well with a chainstay angle of 64 - 69 degrees and a chainline of 48.8mm/51.8mm. It's a double - type derailleur with 9 drivetrain speeds, using an E - type clamp and front cable pull. It's fully compatible with Shimano Mountain shifters and can handle a maximum of 36 teeth on the chainring.

Using the Shimano Alivio FD - M3120 - E Front Derailleur is quite straightforward. First, make sure your bike has a 2x9 drivetrain and the chainstay angle is between 64 and 69 degrees. Install the derailleur using the E - type clamp. Connect the cable with a front pull setup. When you shift gears, you'll notice smooth and efficient performance. As for maintenance, regularly clean the derailleur to remove dirt and grime. Check the cable tension every few rides and adjust it if needed. Also, lubricate the moving parts to keep them operating smoothly. Be careful when installing or adjusting not to overtighten the bolts as it may damage the derailleur.