Brand x alloy screw in bar end plugsour alloy screw in bar end plugs are designed to help protect you from injury during a crash the rounded shape and countersunk bolt heads help to protect hands and knees during impact the simple and lightweight design reinforces the ends of thin walled alloy or carbon handlebars to avoid crushing damage from lock on grips the rubber wedge design also means they will stay securely in place once fitted and can be removed as many times as you like features re