Shimano Acera FD-M390 3 x 9 Speed Front Derailleur - Dual Pull - 34.9mm Clamp
- Acera 9-speed compatible dual pull multi-fit front derailleur for recreational off-road use
- Designed for triple chainwheel systems (27 speed)
- Swing: Top swing (low mount)
- Max chainwheel teeth: 44/48T
- Maximum tooth capacity: 22T
- Top/middle difference: 12T
- Chainline: 50mm
- Band size: 34.9mm
- Degree: 66 – 69 degree
- Weight 177g
- Black finish with silver chainguide plates.