I switched to rollers after the "squirrel cage" on a mag trainer sheared off during an evening sprint training session in my room. The shredded mag wheel flew across my bedroom at shocking speed. Put a big hole in my hollow closet door. Dad wasn't pleased. The rollers are definitely a little sketchy at first until you get the hang of it and learn to smooth out your pedal stroke. Shifting with DT shifters isn't an issue but no-handed stretches my comfort level. I only recall one incident where I rolled off the side of the rollers due to inattentiveness, but I didn't topple over. This meant the bike and I jerked forward into the desk ahead of me and left a tire burn in the carpet. Again, dad was not pleased.

A few years ago I got a deal on a set of used Kreitler rollers with the ambitious goal of riding rollers again in the basement over the winter months, but I haven't used them more than a few times.