Wide link design 105 double front derailleur for increased rigidity and improved shifting response
	
For use with 105 ST-5800 or Ultegra ST-6800 shifters only for optimum shifting performance
	
Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load
	
For 11-speed drivetrains
	
Long pull arm for light action spring reduces effort required to actuate shifts
	
Maximum capacity of 16 teeth with 46-53 tooth outer
	
The aluminium parts are coated to resist corrosion and maintain their great looks