The Deore SL-M4100 shift levers provide light and responsive shifting for all mountain bike riding styles.Features-I-Spec EV creates a clean and action-optimized cockpit with a wider adjustment range to suit riders of various styles, preferences, and body types-OT-SP41 reduces inner cable friction to provide quick response to operations and effortless shiftingItem Specifications-Color:Black-Shifter Style:Trigger-Rear Der/Shifter Compatibility: DynaSys-Drivetrain Speeds:10