The Shimano SLX SL-M7100-IR shift lever offers a tough, aggressive, and lightweight 12-speed experience with Vivid indexing and a 2-way release function. It provides a light yet positive and crisp feel, ensuring a constant amount of shift lever force across all 12 sprockets. The 2-way release allows for shifting from various riding positions, with the upper lever swinging in either direction for release by thumb or index finger. Designed for 12-speed transmissions, its pod design is compatible with any I-Spec-II brake lever. This shifter features quick lever access and a light, responsive action for smooth control on the trail. The I-SPEC EV lever offers a wide range of adjustments, including increased lever slide range, allowing for optimal positioning for any riding style or rider preference with a clean cockpit. Easy and accessible front shifting improves efficiency and control, while the rider-tuneable, lightweight, and compact design enhances enjoyment on and off the trail. It allows for shifting both up and down with a single lever and features position adjustment for personalized setup.