Bicycle Gear Shifters Mountain Transmission Review

[Bicycle Thumb Gear Shifter]: The bike right shift lever is a trigger type 7 speed shifter, with 1 lever for down-shifts and a thumb button for up-shifts, easy to use, enjoy the fun of riding. [Bicycle Thumb Gear Shifter]: The bike right shift lever is a trigger type 7 speed shifter, with 1 lever for down-shifts and a thumb button for up-shifts, easy to use, enjoy the fun of riding. [Universal Fit]: This thumb gear shifter is universally fit for mountain bike, city bike, road bike, folding bike with 22.2 mm/ 0.87 inch hand bar. [3x7 Shifter]: The left shifter is a friction/ ratcheting thumb lever for triple cranksets. You can use only the left gear shifter for 3 speed and only the right shifter for 7 speed and both left and right shifter for 3x7 speed. [Premium Material]: The bicycle shifter is made of premium aluminum alloy; Anti-corrosion, durable & long-lasting, works perfectly for performance and maximum safety, with excellent quality to perfectly achieve the best performance. [Package Included]: 1 pair 3x7 speed thumb gear shifter (Left +Right shifter). Any problem we sincerely hope you can contact us to get the best solution.