Description
Dual front derailleur Shimano Alivio FD-M3120-E Side Swing
For double crankset・Smooth, quiet shifts on the trail "More powerful outward chainring shifts "Wider fork reduces chain friction for rear suspension bikes "Extra wide development range with 36-22T・Great frame mount compatibilities "Available in D, E and M・Compatible with 2.3-inch tires on wider rims・One specification for 48.8mm and 51.8mm chain lines
