Sprockets The secret to the bbr aluminum sprocket!

Almost all of the aluminium sprockets are milled too close to the chain tolerances. Basically they did not mill them thin enough. Most times thou it's the cheap chain that comes in the kits.
 
I was working on my car 😆.
OK Gordy, but it's time to put your toys away now and wash up and brush your teeth for beddy-bye time...lol...lol.

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