ΝΤΕΡΑΓΙΕΡ ΕΜΠΡΟΣΘΙΟ SHIMANO ALTUS FD-M310, TRIPLE, FOR REAR 7/8 SPEED, TOP SWING DUAL PULL, BAND TYPE 34.9MM (W/ADAPTOR 31.8MM & 28.6MM), FOR 42/48T, CS-ANGLE 63-66, CL 47.5/50MM