Universal Fit: Compatible with most bicycles with handlebar diameters of 2.3–2.5cm. Loud & Clear Sound: Crisp ringtone ensures you're heard and safe on the road. Durable Build: Made from high-quality metal and plastic for long-lasting use. Easy Installation: Adjustable handlebar mount for quick setup. Charming Design: Features a 3D Pink Donut design – irresistibly cute and fun!