Named after the Japanese God of Thunder, the Raijin features a high quality brass dome that provides a bright, clear, loud toneRinger rotates to any position making it adaptable to any position on a variety of handlebar designsRing exceeds 85db making sure it is easily heard over ambient noisesMalletBrassGloss Black22.2mm or 25.4mmUPC/EAN/GTIN: 764459354007