So digging through my junk box I find a disc brake rotor which might come in handy for a future project, but then I discover it has only 5 bolt holes.
They're within a millimeter of the ISO 6-bolt circle too, which is weird. I found that Hope used a 5 bolt pattern at the beginning, but it seems like it was much larger.
So what is this thing? First generation Sachs?
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Thread: Old 5-bolt disc rotor pattern
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