Bike Shift Levers Mountain Bike 3×7/8/9/10/11 Speed Gear Shifter, Left and Right Thumb Shift Lever Combination with Optical Gear Display (L3S(11S))

About this item [Smooth Shifting]: Brisk operation feel, smooth shifting ability. The Shifter provide an ergonomically designed finger position and trigger-style handle. With a lever for downshifting and a thumb button for upshifting. [Gear View Window]: The OPTICAL GEAR DISPLAY shows riders what gear position is selected while riding, which makes shifting control easier. [Convenient Shifting]: Shifting can be done with only fingers, so that the rider maintains a safe and stable grip and can perfectly perform the best performance. [Material]: Made of high-quality plastic and durable metal materials, light and strong. Has the greatest safety and stable quality. [Application]: Suitable for mountain bike. It is your indispensable bicycle accessories during your cycling journey. [Note]:R7S is 7 speed right shift lever ,L3S(7-8-9) is 3 speed left shift lever (support right 7,8 or 9 speed).