The rs700 rapidfire shifters are precise mountain bike style levers for road bikes fitted with flat handlebars and drivetrainsmust only be used with fd-5800 and fd-6800 double front derailleursinstant release for super fast shifts, delivering the chain to the next gear the moment the lever is actuated with no hesitationmulti release allows multiple gear changes from both levers with one sweep, further adding to the speed of shift2-way release allows the upper shift lever to performs the same multi shift function but swings in either direction allowing it to be released by the thumb or index fingerhigh tech polished and grey finishlow-friction design means that shifters have a light and responsive short-stroke action that reduces shifting efforteasy to read optical gear displaybarrel adjuster for fine gear tuningcomplete with inner and sp41 outer cablesaverage weight 210 grams per pair