The SHIMANO FD-M4100 2x10-speed front derailleurs use SHIMANO's new SIDE SWING technology for enhanced cable routing, light action, and smooth operation. The new design also increases clearance for large wheels and short chain stays.

FEATURES

• Smooth and quiet front shifting on the trail

• More powerful outward shifting

• Wider traction range reduces chain rub for rear suspension bikes

• Extra wide range with front double 36-26T

• Wider tire clearance

• Compatible with 2.3-inch tire on wider rims

• Different options available

• Available in D, E, and M-type mounts

• One spec for 48.8 mm & 51.8 mm chainline