BobbyG

I saw a video a couple of years ago of a guy playing around with a three-wheeled cargo bike in the snow in Pittsburgh, I think. It was a "vendor" style cargo trike with two wheels up front and one on the back. He did not have studs. What I learned was he didn't stop or start any better than a two-wheeled bike, but he didn't fall...until he drifted sideways and hit an icy rut which flipped the bike on its side. I realized without studs, he'd be in danger of sliding into traffic. My own experience with studs on two wheels is that it does take more effort due to lower rolling resistance. Adding a third studded wheel...well you just answered that. But cool idea!