Joined: Jan 2009
Posts: 44,180
Likes: 6,418
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
I don't know what formulas, if any, can predict how well a bike handles a front load. You may just have to try it. I used to believe that front loads are always a compromise, but I had a bike long ago that I swear would handle better with a front load than without one. It was a 1975 Motobecane Mirage (low end).