Description Specifications: Buckle inner diameter: 2.2cm, flare opening: 7.5cm, total length approximately 18cm Compatible handlebar size: 22.2mm diameter handlebars (not suitable for mountain bikes with thickened handlebars). Material: Front iron with a chrome-plated finish for rust resistance; rear spherical elastic rubber airbag that releases air when squeezed and automatically inflates when released. Included：Retro Trumpet Prop*1 Important: please allow measurement error of 1-3cm
