What rear hub is that?
Chub hub
Larger flange = shallower spoke pull angle. Chub say that you end up with a stronger wheel where the spokes don't need to be under such a high tension.
@O'Shane started
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Chub hub
Larger flange = shallower spoke pull angle. Chub say that you end up with a stronger wheel where the spokes don't need to be under such a high tension.