My work has a bike-share program that lends out the Giant Suede GX. At training we were told that this model was chosen specifically because it was very stable and easy to ride, but after several weeks I still have trouble going straight. The bicycle just naturally seems to want to weave all over the lane, and I can hardly ride ten minutes before my shoulders and upper arms start getting sore from the effort of holding it steady. Due to the logistics of the bike-share program, I get a different bike almost every time, so I'm sure this isn't some sort of hardware defect in the bicycle itself. How did the manufacturer imagine I would ride this to hold a decent line?
Outside of work I usually ride an old ten-speed with drop bars and friction stem shifters, so I'm entirely ready to believe that I've picked up some habits that would be unusual on a modern bike. For example, I still accidentally engage the coaster brake at least once a week when I forget about the telescoping saddle and try pedaling backwards to "post" over bumps.