Shimano Altus SL-M2010 2-Speed Left Rapidfire Plus Bicycle Shifter - Perfect for Mountain Biking & Road Cycling Gear Upgrades

The Shimano Altus SL-M2010 Shifter offers light shifting operation, wide compatibility options, and is suitable for internal cable routing.

• Slim main lever body
• Numbered gear display is positioned below the handlebar and indicates gear position at a glance
• Shimano's OPTISLICK cables feature a minimal and uniform electrically coated layer that improves cable routing efficiency and provides excellent corrosion resistance
• RAPIDFIRE PLUS technology is suited to quick shifting, giving riders the ability to downshift three gears in one stroke
• 2WAY-RELEASE means shifts can be released by pull of the index finger or push of the thumb