Quote:
Originally Posted by 280EZRider
I can't remember which is older and which is newer, but the toothed mast goes on the unit with the smooth wheel and vise versa. You can, however, use the toothed mast with either smooth or toothed wheel.
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The wheel in mine is not so much toothed as it is serrated. That is if you're talking about the large metal wheel sitting on top of the plastic gear? I just figured that the toothed would be easier for said wheel to grab.