Product size about : 6.6*5.1*2.2cm/2.4*2*0.8'' Product color: As shown in the figure Product material:aluminum alloy product features: 1.Stay Safe with a Clear:This bike bell produces a high-pitched yet pleasant ring that cuts through city noise. Whether youre on a busy street or a quiet trail,90db its sound is sharp and noticeable, helping you alert others effortlessly. 2.Compact and Lightweight Design​​:Weighing only 42g, this bell is small and lightweight. It fits neatly on your handlebar without adding bulk, making it perfect for everyday rides and adventures. 3.Easy to Install and Universal Fit​​:The bell fits handlebars with diameters between 22.2mm and 32mm. Its simple mounting system ensures a secure and stable attachment, so you can install it quickly without tools. 4.Built to Last in All Conditions​​:Made from aluminum alloy and PC materials, this bell is both Sturdy and rust-resistant. It stands up to rain, impacts, and daily use, so it stays reliable ride after ride. 5.Smooth and Effortless Operation​​:With a spring-loaded lever and rounded button, ringing the bell is smooth and requires little effort. The design is comfortable to use, even with gloves, and wont hurt your fingers. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Hidden bicycle bell