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Altus FD-M310
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 Attributes Chainline 47.5/50mm Cable Pull Dual FD Capacity 20T Chainstay Angle 66-69 FD Mount Type Low 28.6/31.8/34.9mm Swing Top Max Chainring 42T-48T Primary Color Black Speed 3x7/8
Shimano FD-M3120 Alivio Front Derailleur 51.8mm CL
Shimano FD-M310 Front Derailleur