Ultegra front derailleur with toggle link construction matches the force curve of the hand more naturally .
Toggle link design is light action with short lever movement and less effort at the end of shifting stroke .
Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load .
The forged wide link cradles the axle pivot at both ends providing a smooth shifting swing .
Designed to work with the wider gear pitch spacing Shimano chainsets without sacrificing shifting performance on bikes with 135 / 142 mm OLD .
Cable tension is adjustable on the front derailleur .
Added frame support bolt for more stability under load.