>but two people riding down a steep hill on a single bike would have been a really rare -- if not practically impossible -- occurrence before the advent of e-bi

>but two people riding down a steep hill on a single bike would have been a really rare -- if not practically impossible -- occurrence before the advent of e-bikes Really? Ten seconds on google: https://www.vintag.es/2015/11/lovely-vintage-photos-of-couple-of-kids.html https://www.vintag.es/2015/11/lovely-vintage-photos-of-coupl...