Actually the cometes, according to my knowledge, don't have interchangeable hubs and you can make them fixed with adapter and a track axle. Some one with some proper knowledge might disagree. But if you can find the axle it should be doable.
@Jere started
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Actually the cometes, according to my knowledge, don't have interchangeable hubs and you can make them fixed with adapter and a track axle. Some one with some proper knowledge might disagree. But if you can find the axle it should be doable.