A fact from The Art of the Motorcycle appeared on Wikipedia's Main Page in the Did you know column on 12 August 2009 (check views). The text of the entry was as follows:
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Moto Guzzi V7/Ambassador/Eldorado/850 Probably redirect all these to a single-page history of this series. Main articles on each one later, if desired.
Wire wheels: Wire wheels#On motorcycles says only main article: Motorcycle construction#Wheels, but that is not a main article, it is a subsection. Bicycle wheel is a better article, but none of these 3 actually explains how spokes support the wheel pre-stressed w/compression.