Bicycle Brake Levers Shifter 3×7 21 Speed Shifter with Gear Indicator and V Brake Cable for Moutain Bike, Road Bike, MTB, BMX, Fixie Gear, Cycling

About this item [Use] Suitable for mountain bikes/city bikes/recreational vehicles/road bikes/folding bikes. Note: This is 3*7 21speed, please check whether the bike is suitable before buying. [Quick Confirmation] Confirm the gear position at a glance. The visual gear position display makes the gear display a wider field of view, just look at the speed change. [Durability] This gear shift lever is made of durable aluminum alloy material, which can perfectly play the best performance and maximize safety and service life. [Reasonable design] The ergonomically designed finger position and trigger handle are ergonomically designed, which makes the operation more comfortable and can also cushion noise. [Multifunctional] Left 3 speed x right 7 speed left and right brake lever. With integrated design, two functions can be used at the price of a product, and you should have a cost-effective product.