The Timber Band On Bell uses a slim clamp for a better fit in a crowded cockpit and improved internals for better longevity. This is the New 4.0 Version!The original model of Timber\'s mountain bike bell. Comes with two separate o-rings to fit all handlebar sizes. Easily move between bikes. Sleek black finish. A solid brass bell has a crisp, clean sound.New since April 2021, Timber has beefed up everything! With a much stronger on/off lever and a new steel collar internal shank where the bell meets the plastic, this bell won\'t break even in the gnarliest crashes. Plus a longer life internal cable.Timber Band On Bell FeaturesComes with separate O-rings to fit Handlebars up to 35mm in Diameter.Can be switched from Audible (up to 200m) to inaudible, in a flick of the switch (Don’t mistake it for your dropper lockout).