Shimano claris r243 brake 8sp gear shifter setclaris offers both dual control and flat bar shifter options the former emulate more expensive units in that you only need your fingers to operate them and they also get a beginner friendly optical gear indicator featuresroad bike performance with flat handlebars these mtb style sti shifters offer fast and accurate gear changes at the touch of a lever2 way release allows the upper shift lever to performs the same shift function but swings inei