Originally Posted by SLOspeed
Why use two right side grips? What's the difference between the left and right grips? I checked, left and right do have different part #'s.
The throttle side on most bikes has a larger diameter, due to the throttle barrel. The R12GS is large in diameter on BOTH sides due to the heated grips.That's why when you buy normal grips off the shelf, the inner diameter (ID) of one is larger.