Huàn le xīn lúntāi yǐhòu, zuìhǎo zuò yíxià dòngpínghéng.
After fitting new tyres, it's best to have the wheels balanced.
Tips
usage
At a tyre shop the wheel is spun on a machine and small lead weights, 铅块, are clipped to the rim until it runs smoothly. It is often sold together with wheel alignment, 四轮定位.
