I don't know which angle the hope one is but assuming the fork has an integrated crown race then yes it does matter that the angle is correct
Thanks! Looks like the fork does not have an intergrated race (at least not on Carbonda's own version), so I assume with the correct/matching crown race, a standard IS52/40 headset lower should work.
@samrensho started
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I don't know which angle the hope one is but assuming the fork has an integrated crown race then yes it does matter that the angle is correct