Joined: Jan 2009
Posts: 44,193
Likes: 6,428
From: New York, NY, and High Falls, NY, USA
Bikes: 1962 Rudge Sports, 1971 Raleigh Super Course, 1971 Raleigh Pro Track, 1974 Raleigh International, 1975 Viscount Fixie, 1982 McLean, 1996 Lemond (Ti), 2002 Burley Zydeco tandem
Yes, when your forward speed drops way down, balance becomes difficult. I hadn't thought of traction.
I don't know what they do in Asia, but there are stories of towing well over 500 pounds. Maybe that's with tricycles, not bicycles.