Aluminum Bicycle Bell

This bicycle bell is easy to install – fits for bicycles handlebar tube outer diameter with 21mm – 23mm (0.83″ – 0.90″). Sound – The bike bell is made of high quality BRASS (Not aluminum alloy) and PP, classy and durable., bring us a clear, sweet, loud sound. For bike type – fits for any standard straight bicycle or stunt scooter handle bar, mtb bike bmx bike etc. Dome diameter – 33 millimeter (1.3″).