I suspect they are compatible. It would have been a pretty bold move to change the theaded diameters. I took the smallest cogs off that 83 Regina to try in the first position of my 54. I'll try and have a go at that next week and let you know.
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@veloham started
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I suspect they are compatible. It would have been a pretty bold move to change the theaded diameters. I took the smallest cogs off that 83 Regina to try in the first position of my 54. I'll try and have a go at that next week and let you know.
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