Shimano Alivio FD-M3100 3-speed Front Derailleur Workshop 8420) / Blue (ref

8420) / Blue (ref

Elevated levels of homocysteine can lead to inflammation and development of heart disease

Power Supply : Lithium battery

Great for home or shop applications

89mm Wall Thickness

Shimano Alivio FD-M3100 3-speed Front Derailleur Workshop 8420) / Blue (refThe Alivio Front Derailleur FD M3100 by Shimano Side Swing for 3x9 speed Shimano FD M3100 is a front derailleur from the Alivio series for mountain bikes with 3x9 speed drivetrain. It has been equipped with the Side Swing construction, which provides improved cable routing and smooth shifting performance with lower operating forces. In addition, there is the increased capacity of 18 teeth, which allows large chainrings with 40 teeth, and the increased