I think I got about 20k out of my last chain if not more and was riding in identical conditions. It was an RK chain, by the time I replaced it the adjusters wouldn't go any further and it had some sticking links. I'm using black label and loving it but I don't have a white bike with pretty rims. Belray and chain wax both worked for me as well, belray just looked funny because it was white. I'm assuming you're applying when it's fresh after a ride?