I'm fine thank God and most of my bike too but now I need new wheels I don't know what 32h means or 700x30c is I know the wheels that came on the bike were double wall and machined I know or I think double wall makes for stronger which I need because I'm 230lbs and the streets here are busted and till today no troubles so I'm hoping to hit up Amazon for a deal and fit a 9spd casette. Just need to know the jargon. Any tips? It's a 2015 specialized sirrus elite