Shimano Alivio SL-M3100 3-Speed Left Bike Shifter - RapidFire Plus Technology for Smooth Gear Shifting | Perfect for Mountain Biking & Road Cycling

The Shimano Alivio SL-M3100 Left Shifter provides responsive rear shifting for 9-speed mountain bike drivetrains.

• Rapidfire Plus technology is suited to quick shifting, giving riders the ability to downshift three gears in one stroke
• Optical gear display is positioned below the handlebar and indicates gear position at a glance