I assume you're talking about a flip flop hub. If so, it should only take 5 mins, although like Teddy says you'll probably get tired of switching and stick to one or t'other.
EDIT: Beaten by Moog.
@Daveypants started
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I assume you're talking about a flip flop hub. If so, it should only take 5 mins, although like Teddy says you'll probably get tired of switching and stick to one or t'other.
EDIT: Beaten by Moog.