[jbt]

I also have the red Sears jack. I've had both wheels off mine at the same time, and have never tied the bike to the jack. It's stable enough for anything I've done, so far. I also noticed the rear shocks, so I just place the jack ahead of them, and it's well balanced. I've even cleaned the rear wheel by running the engine in gear on it, with no "Oh, cr*p!" moments!