Bicycle brake lever is made of high quality aluminum alloy for durable use; High strength not easily deformed. This brake lever is light weight, will not add too much burden to your bike, keep your bike's balance performance. The brakes handle with a good quality spring, when you release the handle, it can quickly return to its original position. Package includes 1 pair bike brakes handle, fit for 22mm/ 0.87inch diameter handlebar, easy to install with screwdriver. Suitable for most kinds of bicycles including mountain bike, folding bicycle, road bike, Fixed Gear Bike, MTB, BMX etc. This bicycle brake lever is suitable for most kinds of bicycles including mountain bike, folding bicycle, road bike, Fixed Gear Bike, MTB, BMX etc. How to install: 1. Unscrew the handlebar slot screw. 2. Put the handlebar in and keep it in front. 3. Adjust the handlebar to the center position, with a ruler, the error is no more than 2 mm. 4. Tighten the screws, then distinguish the front and rear brake lines, the left hand rear brake, the right hand front brake. Specification: Material: Aluminum Alloy Color: Black Item Size: 5.9 x 3.7inches Hole Diameter: 22mm/ 0.86 inch Package includes:A Pair of Bike Brake Levers (Left Right)