Shimano Tiagra FD-4700 10-Speed Double 28.6/31.8mm Front Derailleur Depth-- 1/2" x 11/128" chain is

1/2" x 11/128" chain is optimized for use with Shimano CUES drivetrains

Hardware included

Comes in Three options:

Weight:  29

Shimano Tiagra FD-4700 10-Speed Double 28.6/31.8mm Front Derailleur Depth-- 1/2" x 11/128" chain isShimano Tiagra FD 4700 Front DerailleursAluminum links and clamp band to save weight and increase rigidity Extra wide pivot link increases rigidity while reducing flex for improved shifting response Plated steel chain cage 43. 5mm chain line 52t maximum outer ring and 16t capacity See Tech link below for compatibility info Double or Triple Double Drivetrain Speeds 10 Derailleur Capacity 16 Front Derailleur Clamp 31. 8 (1 1 4") Front Derailleur Cable