Shimano SLX 3x10 Front Derailleur FD-M672 Low Side-Swing - Shimano's new SLX FD-M672 master front shifting for a 3x crankset with a bold new design and approach. Side-Swing Designed specifically with modern trail bikes in mind Shimano's SLX Side-Swing front derailleur provides 15mm of increased tire clearance while new cable routing dramatically reduces shifting effort.