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  1. Nutball

    Sprocket on bar tip shattered

    I often have a hard time getting them going with compressed air, and have to soak them with WD40 and work at it a bit, but then it really flings the gunk out. I had a video of one spooling up to like 68,400rpm, on a cheap chinese laminated 3/8 bar too.
  2. Nutball

    Sprocket on bar tip shattered

    Long bar takes a lot more tension to get the chain normal tight, so maybe normal tight shouldn't be attempted. Ideally long bars have a wide middle, so you don't need as much tension to keep the chain from sagging. Also, for some reason (why I don't know), greasing the sprocket frequently or at...
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