Originally Posted by geared
well...the ccw's have the "groove" on the wheel, which fwir doesnt allow for a smooth ride even with a small spacer, as the spacer can't sit flush? is this true?
Yes, afaik it's true, at least in theory. But I've never seen a post here or at e90post forum about someone actually getting vibration, and when I asked about it, people posted that 3mm spacers work fine for them.