Does A Dirty Chain Affect Transmission Drivetrain Efficiency? | GMBN Tech Does Science

When your gears are working their best, have you noticed that they're virtually silent! There are many contributing factors as to why from a correct set-up to just how clean and well lubricated they are. Silence means low friction. So when your drivetrain is grinding away after 12 dirty rides without a clean, or towards the end of that ultra-muddy epic you're undertaking, you can imagine how much friction and how inefficient it has become! Well, imagine no longer because (with a lot of help from Muc-Off) we're doing some science...

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