The Crampbuster CB1 fits most bikes with standard grips, metric bikes also.
The CB1 narrow paddle, fits up to 1  3/8″ (33.34 mm) or smaller diameter, 1″ wide by 3″ long, color: Black
(Band Not Included)

• Full throttle control with a relaxed hand
• Reduces hand fatigue and cramping
• Comfortably fits your hand
• Easier throttle operation
• Eliminates throttle "creep"
• Doesn't lock throttle on