[QUOTE=yashinon;17770088]I cannot tell you about the stem. However, I have the bar end adapters. I ended up replacing the grips all-together with Ergon grips. I know that others have just used the Bontrager bar ends with good luck. The bar end adapters do not include a new foam insert, at least mine did not. The insert is already in the bar.[/QUOTE
I got mine over three years ago and they came with the foam inserts. I didn't use them, I just cut the ones that were there. I figured they were for if you ever wanted to go back, which I never would. Mine work well, just moved the original grips in to make room for the bar ends, a big improvement.
Jim