Galvanized; Fashion-forward: sleek and stylish design that adds a trendy touch to your rides, bike accessories, bicycle back brakes; Ergonomic comfort: designed to provide a comfortable riding position and minimize fatigue, brake supplies, bike brake part; Enhanced braking performance: reverse brake hub for responsive and precise stopping power, hub part for bikes, replacement hub assemblies bearings; Comfortable and ergonomic: designed for a safe riding position, as well as reduced fatigue, bicycle rear hub part, bike back brake part; Trendy and eye-catching: sleek and stylish appearance that makes a fashion statement, bike brake, bicycle back brake

What's in the box
2 x Bottom Brackets