To provide a front fork for a motorcycle, which is constituted of a spring leg and a damper leg arranged in parallel to each other, has a one-side brake unit and a suspension spring built in the spring leg as an air spring, and hardly allows a steering handle to be shaken left and right when the motorcycle travels, thereby improves traveling stability.

In a front fork (A) for a motorcycle, a spring leg 110 not having a built-in damper but having a built-in suspension spring 140, and a damper leg 10 having a built-in damper 20 but not having the built-in suspension spring 140, are arranged in parallel to each other. The spring leg 110 is provided with a brake unit, and the suspension spring 140 of the spring leg 110 is constituted of an air spring.