If you ride hard and often, the all new Timber Model Yew! is just what you&';ve been asking for. It has the same sweet sound and performance of Timber&';s existing bells, plus a handful of nifty improvements Yew model is built stronger, and all parts are now completely modular, including the cable and clapper ringer system If anything wears out or breaks, you can replace it quickly and easily Bicycle bell designed specifically for mountain biking Features an on/off switch for awareness when you need it, and silence when you don&';t Slide the lever down for on, up for off or set it in between for a quieter sound Spring loaded piston to the on/off lever for smoother shifting Bolt-On Version: hinge pin in the bar clamp for easier mounting. Fits 35mm bars (includes shims for standard 31.8mm and 22.2mm bars) Quick Release Version: Uses quick release O-rings to mount and fits 35.0mm to 22.2mm bars Model: Yew Color: black