Aluminum oxidizes [same process as anodizing] initially on contact with oxygen. It doesn't create structurally-compromising oxidation like steel... Correct?
We all ride at least 70 Gear inches too. I push 48:17 which is perfect for riding and tarck tircks.
Re: the youtube comments. I deleted anything negative. there was one day when like 25 bmx kids all heckled the **** out of the video. Mildly amusing but in the same sense, really annoying.
edit: and I do stop at red lights before that **** hits the fan