Sunday Bikes rider Cory Wiergowski has definitely had a really busy year of 2012 and it looks like his upcoming year will be pretty much the same. He recently spent some time riding concrete around Los Angeles, California for this new web edit that he just came out with. Cory is one of those really technical riders who’s gets thing done really clean and perfect. The crooked grind to icepick grind was really solid, but that of course is not all. Hit play above and enjoy.