This wheel balancing guide for tire shops covers vibration symptoms, mounting errors, force variation and proper balancing ...
If you've been driving that good-looking pickup truck and suddenly your steering wheel shimmies like it's trying to escape your hands at 70 mph, then you already know what tire imbalance feels like.
It starts the same way every time: you merge onto the highway, settle in at about 60–75 mph, and then the steering wheel starts doing that faint-but-annoying shimmy. Not enough to feel dangerous, just ...