Brake pads are available in three colors and are asbestos-free, non-stick, and have a high abrasion resistanceMud groove: It is anti-wear and colorfast. It is used to discharge mud and causes no damage to the rim. It has high-temperature resistance, long-term durability, and high braking sensibility Made of hard-wearing rubber and metal This model has relatively moderate hardness and is practical and anti-wear. The V-shaped sand discharge groove effectively prevents the damage of the sand and mud to the wheel during braking. Braking works well, and its anti-wear and wont damage wheels. V-shape sand and mud discharge: effectively reduces problems such as wheel damage during braking.Mud discharge is designed for improving braking and protects the wheel in bad weather. Wheel rim arc design does not hurt the wheel, improves braking, and effectively prevents the damage of sand to the wheel during braking. V-BRAKE BIKES ONLY Some customer might mistake V-brake and C-brake, if you are not sure about it, please compare your own bike's brake to the picture we showed on the left. In most cases, one bike needs 4 brake pads, 1 pair for the front wheel, and another pair for the back wheel. We have provided 2 pairs of brake pads in our package so that you could use 2 pairs of them. When installing, please note that the brake pads should be installed as close to the friction position of the inner part of the steel ring as possible, so make sure to adjust it several times before attaching it! This model is a silent brake pad. If there is sound after installation, please adjust the position and angle again to fix it.Each pair V brake pads have left and right, please carefully read the text on the brake pads. 2 Pairs Bike V Brake Pads -Suitable replacement for most V-brake bikes Bike brake pads are specifically made for most V-brake road bikes, mountain bike Easy installation