Optimal Security : The Cricket Bike Bell comes with two different modes, single-strike and cowbell mode, so you can choose the sound that best suits your needs in different situations, helping you be heard and stay safe on the roads and the trails. Tiny but Mighty : Even at a lightweight of 60 grams and a small size, Cricket MTB Bell still has the loud but pleasant sound to ensure you're heard before you're seen, and cut through loud noises to protect you from any danger during the ride. Easy Installation : Simply tighten the one screw, Cricket Bell is so easy to install and remove in seconds. Also, it fits 22.2mm to 35mm handlebars by adapting the two kinds of spacers to fit your handlebar even more tightly. Solid Construction : Built in high-quality alloy clapper with machined aluminum striker, Cricket Bell is made to survive from severe vibration. The tough and durable construction last for years, and resistant enough to ward off damages and crashes, yet still super lightweight that won't get in your way. Perfect Fit : The Cricket Bell fits handlebars from 22.2mm to 35mm, allowing it to be positioned almost anywhere on your handlebar, ensuring that it is always within easy reach and easy to use, no matter your bike's setup.