The utility model discloses an adjusting screw and a
handle, relates to the technical field of
brake handles, and aims to solve the technical problems that the installation operation of a current
brake cable is tedious, and the adjustment of the
brake cable consumes time, the adjusting screw comprises an adjusting mechanism, the adjusting mechanism comprises a
threaded pipe and a limiting ring, the outer surface of the
threaded pipe is provided with threads, and the limiting ring is arranged on the
threaded pipe. A rotating
pipe is integrally formed at the
tail end of the threaded
pipe, a first wire inlet notch is formed in the outer surface of the threaded
pipe in the
long axis direction, a second wire inlet notch is formed in the rotating pipe in the
long axis direction, the first wire inlet notch communicates with the second wire inlet notch, and the limiting ring is installed on the outer surface of the threaded pipe in a threaded mode. The limiting ring is provided with a third wire inlet gap, and the width of the third wire inlet gap is consistent with the width of the first wire inlet gap. The
electric bicycle has the advantages that installation steps can be simplified, installation and adjustment time is shortened, hand fatigue of a rider is relieved through the power assisting structure, and comfort and safety are improved.