Classic Brass Bike Bell Loud Easy Install Fits Most HandlebarsSuper Loud BellBrass material combine with internal collision sounding system makes this ROCKBROS bike bell sounds great with a pleasant and sustained ding. Used when riding and those walking or riding nearby can hear it. Great addition for extra bike safety and awareness. Easy to InstallWith a hexagonal wrench included, the bicycle bell can be easily mounted on the right or left handlebar in four simple steps. Would recommend to measure your handle