Shimano 105 5700 double 10sp braze on front mechthis 105 5700 10 speed front derailleur features a new wide link design for increased rigidity and improved shifting response it is incredibly lightweight at 89g and offers smooth shifting under heavy load at each rear position it also features a standard braze on mount features for use with 105 st 5700 or ultegra st 6700 shifters only for optimum shifting performance wide inner link increased rigidity and takes front shifting performance to a