So, you know, you'll see the lightest basketball shoes ever made, the lightest track bike ever made.

所以，你知道，你会见到最轻便的篮球运动鞋，最轻便的越野自行车。

youdao

Tully describes riding the bike (that like normal track bikes has no brakes and a single gear) as trying the drag a wardrobe down a road.

图里称骑着这种自行车（跟普通赛道自行车很像，不过没有刹车，只有一个变速档)就像在马路上拖着衣柜一样。

youdao

On the track, running speed can be controlled with the help of sound markers and visual markers (' beep 'every 50m) or a bike equipped with a speedometer.

在跑道上，速度可以根据停表等控制(每50 m响一下)或者由一辆带速度计的自行车跟着。

youdao

That's the same for the bike on the track when you are a professional rider.

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