Born-Free 5 Invited Builder Series-Max Schaaf of 4Q Conditioning by Born-Free. Max Schaaf of 4Q Conditioning in Oakland, California is back as a Born-Free Invited Builder this year. He's built and brought a bike every single year since the first one. Max is known for building old Harley-Davidson choppers that you can ride. This year is no exception with the Panhead he's finishing up.