Proper installation may require cutting or drilling a 5/8" hole in the end of the OEM grips. Proper installation requires 7/8" or 1" handlebars that have open ends. Not compatible with Kuryakyn Chrome style throttle bosses that screw to the end of Kuryakyn Grips or other grip end accessories/weights. Bar weight required to be removed on some late Shadow 750 Models & VT1300 Custom Line.
Some applications may require use of a load equalizer (sold separately).