FRONT DERAILLEUR, FD-M310, TOP-SWING, DUAL-PULL, BAND-TYPE 34.9MM (W/31.8 & 28.6MM ADAPTER), FOR 42/48T, CS-ANGLE: 66-69, CL: 47.5/50MM

Description

* Dual SIS front index shifting* Max. chainring size: 42T/48T * Wide link design* Modified cage tail shape for better tire clearance* Total capacity: 20T* Front difference: 10T* For 66-69° chainstays