Shimano 105 FD-5800 Front Derailleur Mount:Band Clamp (34.9mm) Dimensions - folded: 17

Dimensions - folded: 17

Low-profile caliper design

Working extensively with JP Ballard and his team at the GST wind tunnel in Immenstaad

unmistakable

the slim race fit ensures you get no unwanted wind resistance

Shimano 105 FD-5800 Front Derailleur Mount:Band Clamp (34.9mm) Dimensions - folded: 17Shimano 105 FD 5800 Front Derailleur The Shimano 105 5800 series front derailleur offers light action front 2x11 speed shifting thanks to a longer lever arm and refined design. The wide link design 105 double front derailleur offers increased rigidity and improved shifting response. Wide inner link increased rigidity and takes front shifting performance to a new level, especially under heavy load Long pull arm for light action spring reduces effort