microSHIFT Estes Thumb Tap Shifter - Right 8-Speed Optical Gear Indicator BLK

microSHIFT Estes Thumb Tap Shifter - Left 8-Speed Optical Gear Indicator Black. With a solid lever throw and crisp engagement responsive shifting is just a click away. microSHIFT Estes right thumb tap shifters are designed with a precision and durability not usually seen in entry level shifters. And the fact that they’re compatible with standard Shimano rear derailleurs makes them an easy path to upgrade.