Originally Posted by mikearena
I've got a 1" threadless set up with a Thomson stem (1 1/8) with the Thomson shim, and the directions specifically said to use a 1 1/8" top cap, even though it's a 1" headset. Looks better. and apparently is the right thing too.
Alright, thanks. I figured a 1-1/8 cap would work since the 1 inch one isn't a snug fit.