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Re: #25 Chain
I didn't see any reference between 25 and 25H in this thread. 25H is a far better solution without the weight of 35. It is still a bear to work with, but way better than standard 25. And yes, you have to run 25 tighter than you would think. 25 is very sensitive to alignment and tension. Somewhere I was told the "7 tooth minimum" rule. No idea if it is folklore or real but it works in general. Keep 7 teeth engaged at all times. This means no drive sprockets smaller than 14 teeth on a simple drive.
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