Description Description CLEAR AND LOUD RINGTONES ARE ATTRACTIVEThe fashionable aluminum bicycle ringtone always gives out a clear ring to make people hear it more clearly and ride safer. LOUD WARNING BELLBicycle ringtones will fit most mountain bikes and road bikes very well, launches a clear bike ringtone to hear clearlysafety alarm for mountain bikes and road bikes. PREFERRED HIGH QUALITY MATERIALSBicycle rings will not appear after a long time of use traces, durable, do not fadebicycle bells are made of high quality aluminum and engineering plastic materials, which are anti-rust and anti-aging, enabling riders of both sexes to live longer. SCOPE OF USE AND APPLICATIONApplicable to any standard straight bicycle or stunt skateboard handlebars, dirt bike, BMX, kids bike, cruisersports bike and cruiser bike. EASY TO OPERATE AND INSTALLThe bicycle bells can be used with most pipe handles of diameter specifications,use a screwdriver to complete the installation in less than 1 minute, very easy, come and try Size: 22mm standard pipe diameter, diameter: 52mm package1pc Bicycle bell (pink).