Shimano dura ace 7900 10sp downtube shifter setprecision engineered dura ace 10 speed downtube braze on shift levers for road bikes superior dura ace quality means reliability and durability featureseasily fit to downtube and secure firmly for assured shiftingfully compatible with 10 speed road drivetrainscan be used with double or triple chainsetssis indexed system compatiblecomes complete with sp41 gear cables which are lubricated internally along their length with low friction silicon grea