Harley-Davidson Super Glide
...that the 1971 Harley-Davidson Super Glide, the first factory custom motorcycle, used an Electra Glide frame mated to Sportster forks?
...that the <a href="./1971" id="mwBd8" rel="mw:WikiLink" title="1971">1971</a> <b id="mwBeA"><a href="./Harley-Davidson_Super_Glide" id="mwBeE" rel="mw:WikiLink" title="Harley-Davidson Super Glide">Harley-Davidson Super Glide</a></b>, the first <a class="mw-redirect" href="./Custom_(motorcycle)" id="mwBeI" rel="mw:WikiLink" title="Custom (motorcycle)">factory custom motorcycle</a>, used an <a href="./Harley-Davidson_FL#Electra_Glide" id="mwBeM" rel="mw:WikiLink" title="Harley-Davidson FL">Electra Glide</a> frame mated to <a href="./Harley-Davidson_Sportster" id="mwBeQ" rel="mw:WikiLink" title="Harley-Davidson Sportster">Sportster</a> forks?