Spring sag is the amount the springs compress between fully topped out and fully loaded with the rider on board in riding position. It is also referred to as static ride height or static sag.

弹簧下沉是从减震完全伸展开到骑手坐到车上后弹簧的压缩量，也叫作静态下沉或静态骑乘高度。

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The air suspension responds to the special burden of pickups, namely that they have to ride and handle well whether they are unladen or fully loaded.

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