Shimano claris r240 brake 8sp gear shifter setroad bike performance with flat handlebars these mtb style sti shifters offer fast and accurate gear changes at the touch of a leverfeatures2 way release allows the upper shift lever to performs the same shift function but swings ineither direction allowing it to be released by the thumb or index fingerclearly visible optical gear displayshimano new super slr brake compatibleadjustable to work with v brakes caliper brakes cantilever brakes and