Shimano 105 FD 5800 11 Speed 31.8mm Clamp On Front Derailleur Parts Road Derailleurs

Shimano 105 FD 5800 11 Speed 31.8mm Clamp On Front Derailleur. The Shimano 105 FD 5800 11 speed front derailleur is the beneficiary of the renowned Shimano trickle down of technology from its Dura Ace and Ultegra brethren. This 105 5800 front derailleur features a longer link arm and a re designed spring mechanism that serves up clean and accurate gear changes that feel almost effortless under light or heavy loads. And with a forged aluminum construction you know this derailleur is built to last. This is the 31.8mm clamp on version of the 105 5800 front derailleur.