The Shimano Dura-Ace 7900 10-speed Road Bar-end Shifters & precision engineered superior reliable & durable components. The Bar ends easily fit into your handlebars & secure firmly for assured shifting. These are fully compatible with 10-speed Drivetrains & can be used with Double or Triple Chainsets. SIS Indexed System Compatible. These Bar ends come complete with SP41 Gear Cables, which are lubricated internally along their length with low-friction silicon grease to reduce cable friction.