Made of high-strength copper material. It’s anti-corrosion, strong, durable and fine workmanship, and the sound is clear. The ringing constantly, remind passers-by to avoid safety. It’s compact, and easy to install. Suitable for most bicycles, bicycles and mountain bikes with handle diameter of 0.91-1.1inch are suitable for installation.
^We provide full range of printing methods for your choice and requests.