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2026-10-26 · 5 min read

Tyre Uneven Wear — What's Causing It?

Uneven tyre wear is a symptom, not a cause. The wear pattern tells you exactly what's wrong — alignment, pressure, suspension, or driving habits.

Tyre Uneven Wear — What's Causing It?

轮胎偏磨(uneven tyre wear)不只是「轮胎快磨完了」的问题——偏磨代表车子某个地方有问题,换了新轮胎如果不修根本原因,新胎很快又会以同样方式磨坏。

中间磨损多(两侧较厚)

原因:轮胎气压过高。

过高的气压让轮胎中间部分鼓起,接触地面面积变小,中间磨损特别快。

解决:调整气压到车辆规格(通常在车门边贴纸上),再换轮胎。

两侧磨损多(中间较厚)

原因:轮胎气压不足。

气压不够让轮胎两侧下塌,形成更大的接触面,两侧磨损更快。

解决:调整气压,检查是否有慢漏气,再换轮胎。

单侧磨损(只有内侧或外侧磨)

原因:四轮定位问题,最常见是 Camber(外倾角)偏差。

外倾角负值过大 → 内侧磨损;正值过大 → 外侧磨损。

通常由避震器磨损、避震器上座磨损、或碰到坑洞/路肩导致悬挂变形引起。

解决:做四轮定位,检查悬挂零件是否需要更换。

花纹块高低不平(扇形/波浪形磨损)

原因:避震器磨损或悬挂衬套老化。

避震器失效后轮胎会在路面上轻微弹跳(不是完全贴地),接触不均匀产生扇形磨损。

这种磨损同时会产生高速行驶时方向盘抖动。

解决:更换避震器,做四轮定位,再换轮胎。

花纹块一侧斜磨(羽毛状)

原因:Toe(束角)不正确。

前束或后束偏差会让轮胎在滚动时微微侧滑,产生羽毛状偏磨。

解决:做四轮定位校正束角。

重点:先修根本原因,再换轮胎

不解决定位或气压问题就换新轮胎,新胎会以同样方式快速偏磨,浪费金钱。

来 4M CARCARE 换轮胎前会先做轮胎磨损检查,告诉你是否需要同步做定位或检查悬挂,一次解决根本原因。

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