Shimano Ultegra Clamp-On Front Derailleur (Triple Chainring)
Details
If you're looking for a quick-shifting and reliable front changer, you've found it in Shimano's Ultegra Front Derailleur. Its wide pivots provide flex-free action for surefire shifting every time.
Your seat-tube diameter determines the needed derailleur clamp size.
Capacity is calculated by subtracting your smallest chainring's tooth count from the largest chainring's tooth count. Example: 52/39/30 chainrings: 52 - 30 = 22-tooth capacity.