Originally Posted by mapbike
the extention on amazon is made so that one end of it goes down inside the forks stem tube and then your excisting stem will go inside the upper portion of the extention, if you look closely at the pic you'll notice the extention has a larger diameter on the upper end, that is so your stem will fit inside it.
Thank you BIG TIME! The picture wasn't clear but your explanation IS! I measured the opening in the frame and it measures .875. The shaft that holds my handlebars is .825. So there is a bit of a "wobble when it is inserted. So, should I order the smaller one or the larger? (21.1 or 22.2).