I just want to back up the claims regarding wax. It's amazing. Clean and does wonders for longevity of a chain. I mentioned this a few times, I was on a ~yearly chain cycle before switching over to drop-on wax, the first waxed chain lasted well over twice what the ones before it lasted. All XX1/X01 Eagle chains on the same drivetrain. As the chainring and cassette were shot (cassette was missing two teeth on the 50T, front chainring was like an old grandma's mouth, barely had any teeth left), I didn't check the stretch. After retiring the bike, it...