Introducing the new advanced luxury model Oi Luxe from the popular "Oi" shape of the bell that has never been seen before. Leather shim, new hammer design, stainless steel body. More luxurious finish. The sound has also been evolved from previous models, making it more comfortable. Refurbished traditional cycle bell shape Eliminates a half-circular bell and a subdued design that blends neatly into your bike. We pursue the best sound for the tone, volume, and sound length, so that you can hear it securely, and it also has good sound quality. Designed for pitch and volume and sound direction. Supported Mounting Diameter: 0.9 inches (23.8 mm) (with shim) / 1.0 inches (25.4 cm) / 1.2 inches (31.8 mm). WIGHT: 1.7 oz (46.5 g). Product color and size information may differ from the actual product depending on your display. Product specifications, logo design, etc. may be subject to change for product improvement. We also cannot answer measurements or personal fit that the manufacturer does not announce. Please be aware of