My All City Big Block complete came with ALex R450's laced to All City hubs. I was going to sell these wheels brand new but I am now thinking of maybe riding them around. They are pretty light and look good on the bike. My question is are Alex R450's any good, meaning do they hold up to everyday city riding? I am also 245lbs so I am not sure if these wheels will hold up very well. Does anyone have any experience the these rims that they can share?