CHAOYANG Shifter 3x7 Speed Shifter Brake Lever Set 21 Speed

3x7 21 Speed Bicycle Shifter Levers Brake Cycling Disc Handle Brake Left shifter is a friction/ ratcheting thumb lever for triple cranksets. 3x7 Speed Trigger Shifters CHAOYANG Shifter 3x7 Speed Shifter Brake Lever Set 21 Speed 3x7 Speed Bike Shifters With Gear Indicator 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 3x7 speed. With a 3-speed control on the left and a 7-speed control on the right, it offers a total of 21 gears to choose from. Each shifter comes with cables for precise and consistent shifting performance Shimano Bike Derailleurs 3x7 21 Speed 3x8 24 Speed Switch MTB Bicycle... Gear View Window: The intuitive gear display shows the rider which gear is selected during riding, which makes gear change be clear at a glance. Suitable for mountain bike, trekking bike, town bike etc.