Microshift 10-Speed 4700 Index KitThe MicroSHIFT 10-speed 4700 Index Kit is an easy way to convert your existing MicroSHIFT thumb-shifters and bar-end shifters to work with Tiagra 4700 drivetrains. The Index Kit is an easy way to breathe new life into old shifters or modify them to be compatible with a different drivetrain. FeaturesCompatible with MicroSHIFT thumb-shifters and bar-end shiftersDesigned to work with Tiagra 4700 drivetrainsManufacturer part number: Y-BS304 | Microshift | 10-Speed 4700 Index Kit 10-Speed Road Shimano Tiagra 4700 Compatible