Shimano CUES FD-U4010

Outstanding dependability and range increase make daily riding more enjoyable. Grab a workout or enjoy a long trek on and off the road with this front derailleur's smooth operation on 2x9-speed bikes. Its outstanding daily riding dependability and wide range make hills a fun challenge instead of an obstacle.
CUES 2x9-speed
Smooth operation and precise front shifting on and off the road
SIDE SWING design provides smooth and efficient front shifting
Clamp for 34.9mm post (Comes with adapters for use with 28.6mm and 31.8mm posts)
Works with 48.8mm chain lines
63-68 degree chain stay angle
Total capacity: 16T