Shimano 105 5703 triple sti shifter setergonomically designed 10 speed 105 dual control levers ride shimano and enjoy the benefits of their no compromise attitude shimano use the best materials for unrivalled performance featuresshift cables are routed under the bar tape re development and positioning of the internal mechanism provides a faster lighter and smoother shiftergonomic shift arc follows natural hand movement with inward shift stroke distance reduced for rapid and precise gear ch