Kuryakyn Universal Throttle Boss 

Product Number: 6251
Finish: Black
Fits: Any Application with a Twist Grip Throttle

• Designed to fit any type or size grip
  
• Installed in seconds to provide a cushioned platform to rest ones palm on
  
• Allows the driver to vary or maintain a speed without keeping a tight grip on the throttle reducing muscle fatigue and discomfort
  
• Removes quickly without tools to stow in a jacket pocket, tool bag, etc.
  
• Fits any application with twist grip throttle

Regardless of what type of bike you ride, the Throttle Boss will make riding any distance more comfortable.