What wheel size?
Normally with a rigid you go for a slightly lower A2C to account for fork sag. I'd punt for something closer to a 100mm A2C based on your description though.
26". Currently looking at something 445 A2C which I think should work for the lower end of the scale.
@Eejit started
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What wheel size?
Normally with a rigid you go for a slightly lower A2C to account for fork sag. I'd punt for something closer to a 100mm A2C based on your description though.