Shimano 105 5703 triple 10sp band on front mechthe 105 front derailleur leverages the wide inner link design introduced at the dura ace lever to assertively move the chain combined with the improved chain guide shape silky smooth and seamless shifts can be made even under the heaviest of loads features wide link design 105 triple front derailleur for increased rigidity and improved shifting response for use with 105 st 5703 or ultegra st 6700 shifters only for optimum shifting performance wid