The Shimano Deore SL-M4100 shift levers provide light and responsive shifting for all mountain bike riding styles. FEATURES: RapidFire Plus technology is suited to quick shifting, giving riders the ability to downshift three gears in one stroke OT-SP41 reduces inner cable friction to provide quick response to operations and effortless shifting ?SPECS: Color: Black Shifter Style: Trigger Rear Der/Shifter Compatibility: Shimano Mountain Drivetrain Speeds: 10