Features: Loud-Sound: The bike bell has a sharpen and clear sound. Small bell has loud-sound to warns the passing vehicles that you are coming up behind them, enough to get attention. Enjoy the sweet classic bike bell on-the-way. Easy to Install: Insert the appropriate metal band around the handlebar into the two slots of the bell bottom, then tighten the top-bolt until it's snug but please not too tight or the bike bell can't rings. Fits for Most Bike: Comes with two different metal bands and it only takes one depending on your handles circumference Superior Material: The bike bell is made of quality stainless steel. There is anti-corrosion durable coating on the surfaces. Also bell is easy to resist the shock or crash. VERSATILE, UNIVERSAL, COMPACT DESIGN: Can be positioned up on top of the bar or in-front-of the bar, less noticeable-profile. This bike bell looks equally at home on stylish city bikes, carbon fiber road bikes, and mountain bikes. Smaller, more aesthetically pleasing to the ears than a bike horns. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: stainless steel Size: As picture show