Are you looking for a professional, yet affordable bike disc brake? Are you in search of a sturdy, trustworthy tool that can help you ride safely? If yes, look no further Our professional bike brake must meet you needs. It is one of the best choices for you. Features -Color: Black -Material: Aluminum alloy -Size: About 8.50X5.00X2.00cm/3.34X1.97X0.79inch - Made of quality aluminum alloy material, durable and useful. - Easy to install and convenient to use, with strong braking force and smooth control. - With fine workmanship, not easy to wear and tear, very practical in use. - The disc brake features good stop ability and is suitable for mounting on mountain bike and road cycling, improve your cycling safety. - Simple to use and convenient operation.