Alomejor 1 Pair shiftinger TX 30 Thumb Gear shiftingers 3X7 Speed Shifting Lever and Set for Outdoor Mountain Cycling

About this item ?LEFT/RIGHT SHIFTER?Right shifter is a type 7 speed shifter, with one lever for down shifts and a thumb button for up shifts. Left shifter is a friction/ ratcheting thumb lever for triple cranksets. ?3X7 SPEED?You can use only left gear shifter for 3 speed and only right shifter for 7 speed and both left and right shifter for 3×7 speed. ?HIGH QUALITY?Made of aluminum alloy material, it works perfectly for optimum performance and maximum safety and longevity. ?WIDE APPLICATION?Suitable for mountain bike, city bike, road bike, folding bike, etc.