TOP owners... I just ordered one up, but while I am waiting for it, I was finishing gathering up the last few parts... I am looking at the site and see that the seat post is size is labeled as 30.0mm and the Seat Clamp: 32.8mm but as I look through the quality books I am not finding 30.0posts nor am I finding 32.8 clamps. did you have to use a shim or just use the closest sized parts? thanks in advance!