Making front derailleurs that work well is equal parts art and science. microSHIFT combines meticulous design details with precision manufacturing to deliver front derailleurs that shift predictably and smoothly. Stiff, strong mounting hardware and sensible cable routing round everything out into an easy to use package.
Please double check the option you select. If the chainring spec only states a max chainring size, it's only compatible with a double, otherwise it's compatible only with a triple.