Classic Bicycle Bike Cycling Handlebar Bell Ring Loud Horn Iron Plastic BlackSpecification Material Iron PlasticColor Random deliveryInstallation diameter 21mm 23mmBell diameter 55mmFeatures 1 Bicycle bell 2 Fit for handlebar diameter 21mm 23mm 3 Classic style bell memories of that era 4 Make a extremely clear and crisp sound with the flick of a finger Volume 90 100DB international standard 5 Nice and loud sound fashion design6 Easy to install and durableNote 1 Due to the light and screen difference the items color maybe slightly different from the pictures Please understand 2 Please allow 1 2cm differences because of the manual measurement Package includes 1x Bicycle bell