Shimano's XTR Rapidfire Plus Front Shifter offers unparalleled shifting quality and unbelievable speed. Two-Way Release shift levers keep shifts fast and intuitive, and multi-release capability means you have the power to shift across multiple gears in an instant. Since these shifters are optimized for use with Shimano's Dyna-Sys Technology, the lever feel is crisp and authoritative. Shimano's I-spec mounting system for a clean and simple handlebar setup. This front shifter can be converted for use with double or triple-chainring cranks, so you can experience XTR-quality shifting no matter what drivetrain you prefer.