Bar ends are commonly used on motorcycles to help reduce handlebar vibrations. They are typically small weights or dampers attached to the ends of the handlebars. Here's how they work:
Counterbalancing vibrations: Bar ends function by counterbalancing the vibrations that occur in the handlebars. When the motorcycle is running, various factors such as engine vibrations, road imperfections, and wind resistance can cause the handlebars to vibrate. These vibrations can be uncomfortable for the rider and may lead to fatigue and numbness in the hands and arms.
Inertia and mass: Bar ends work on the principle of inertia and mass. By adding additional weight at the end of the handlebars, the bar ends increase the overall mass and inertia of the handlebar system. This helps to stabilize the handlebars and reduce the amplitude of vibrations.
Dampening effect: Bar ends also provide a dampening effect by absorbing and dissipating some of the energy from the vibrations. The additional weight and design of the bar ends act as a buffer, absorbing and dispersing the vibrations before they reach the rider's hands.
Resonance reduction: Vibrations can sometimes occur at specific frequencies, leading to resonance, where the vibrations amplify and become more pronounced. Bar ends can disrupt the resonance patterns and reduce the overall vibration levels by altering the natural frequency of the handlebar system.
Comfort and control: By reducing handlebar vibrations, bar ends enhance the rider's comfort and control over the motorcycle. The reduced vibrations help to minimize hand and arm fatigue, allowing for longer and more enjoyable rides. It also improves the rider's grip on the handlebars, resulting in better control and handling of the motorcycle.
It's worth noting that the effectiveness of bar ends may vary depending on the motorcycle model, handlebar design, and the specific vibrations being experienced. Some motorcycles come with built-in bar ends, while others allow riders to add aftermarket bar ends as an accessory to their bike.