The front wheel of the bicycle was out of shape.

自行车的前轮变形了。

《新英汉大辞典》

The back wheels of the plane touched the runway, but it became unstable when the front wheel touched down, he said.

他说，飞机后轮先着陆，但当前轮着陆以后，飞机就开始不平稳了。

youdao

In another, the steer axis is reversed such that the handlebars are farther forward than the center of the front wheel.

另外一种，转向轴是翻转的，这样手把就会离前轮中心更远。

youdao

But Phnom Penh has its cyclo - a three-wheeled bicycle with the driver perched on high above the rear wheel, and the passengers in a bucket seat slung between the two front wheels.

VOA: standard.2010.06.14

Make sure to lock the bike carefully by pushing the front wheel into an empty dock.

BBC: Bike sharing around the world

When she looked up again, her front wheel was just inches from the concrete curb.

WSJ: Cycling's Occupational Hazard

For instance, a front-wheel-drive chassis would serve as the underpinning for many of Ford's front-wheel-drive vehicles.

FORBES: Magazine Article