Derr, why didn't I think of that.
Always used to be one distance for road, another for mtb, but some cx and gravel bikes split the difference, and mtbs with throughaxles are going to directmount...
I'll try it without first and see what happens. I need to order some chainrings and bodge a cassette first.
@Emyr started
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Derr, why didn't I think of that.