The SHIMANO ALIVIO T4000 series front derailleurs deliver smooth, light 3x9 front shifting. They are designed especially for wide range trekking cranksets and are compatible with 48 and 44T chainrings.
Top Swing / Dual Pull
Includes 31.8 & 28.6MM Adaptor
Shimano Alivio FD-T4000-TS6 Front MTB Derailleur 9-Speed Triple Top Swing Dual Pull 34.9M(W/31.8 & 28.6MM ADAPTER), FOR44/48T