Shimano Acera M3010 2-Speed Left Bicycle Shifter - Premium Bike Gear Shifter for Mountain & Road Bikes - Smooth & Precise Shifting for Cycling Enthusiasts

The Shimano Acera SL-M3010-L Shifter offers quick and easy shifting for 2x9-speed MTB drivetrains.

• Shimano's RapidFire Plus technology is suited for quick shifting, giving riders the ability to downshift three gears in one stroke
• The optical gear display tells you which gear position is selected while riding