microSHIFT 8-Speed Shimano Compatible Index Kit Description: Repair or customize the microSHIFT thumb-shifters and bar-end shifters to bring old shifters back to life, or even change the indexing to work with a different number of speeds. Features: Index kit for conversion to 8-speed Shimano compatible shifting Compatible with traditional pull 8,9, and 10-speed microSHIFT bar end and thumb shifters