Extend a finger to press the lever down to shift into higher gears, and uncurl a finger or two from the bar to bat the lever upwards to shift into smaller gears.

• 伸出手指，向下压刹把，于是变速气向上加档，用一个或两个手指向上撬刹把，变速器则向下变，把链条挪到较小的飞片上（大小飞皆应如此）。