The Tektro RL721 Inline Brake Levers are durable and reliable components designed for various bike types including single speed, fixie, city, and more. Made of high-quality aluminum, these black brake levers are lightweight and easy to handle, providing smooth and responsive braking. With a drop bar handlebar design and compatible with a wide range of bikes, these Tektro RL721 brake levers are a great choice for cyclists looking for a dependable and versatile braking solution.