TUHI 3 X 7 21 Speed MTB Bicycle Shifter Brake Speed Mountain Road Bike Riding Bicycle Brake Disk
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With gear shift and brake function. Easy to use. The Shifter/Brake Levers is suitable for the bike of front 3-speed and rear 7-speed. 7-speed right trigger shifter Brake lever compatible with V-brake and cantilever brakes (MTB) Left lever 3-speed left trigger shifter
