High quality LX trekking bike front derailleur designed to deliver smooth shifting performance Wide pivot link design for greater torsional rigidity improves shifting response & service life Top swing design is compact giving a crisp light action shift Dual pull design allows it to be used with top or bottom cable routing Multi-fit design for 28.6&44; 31.8 & 34.9 mm frame tubes For Hybrid or trekking type bike designs with 63-66 degree chainstay to seat tube angle Can be used with either 44 or 48 tooth outer chainrings