Feature*** HIGH QUALITY ALUMINUM-- The bike bell made of high quality aluminum and plastic material that is anti-rust and anti-aging. *** LOUD WARNING BELL-- This bike horn ring features double click and two vocal points that delivers 120db loud. Loud ringtones can catch attention of pedestrian and offer you a safe cycling on the road.*** EASY TO INSTALL-- This bicycle bell comes with a quality and durable mounting bracket, easily install on no matter the right or left handlebar. Suitable for bike handlebars with outside diameter 22-24 mm.*** LIGHTWEIGHT & DURABLE-- The road Bike Bell is small and lightweight, doesnt take up much space on the handle bars. It looks stylish, beautiful and unobtrusive.*** FIT FOR MOST BIKES-- This bell can perfect fit for most mountain bikes, road bikes, exercise bikes, kids mini bike, or vintage bike. It is a wonderful and perfect bicycle bike ring horn.