Precision engineered dura ace 10 speed bar end shift leverssuperior dura ace quality means reliability and durabilityeasily fit into bar ends and secure firmly for assured shiftingfully compatible with 10 speed 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 grease to reduce cable frictionweight 178 grams a pair