A handlebar is disclosed that includes a handlebar main body, a pair of support walls, a first slit, and a brake lever. The handlebar main body is hollow and is mounted to the handlebar stem. The hollow interior of the handlebar main body is formed with the support walls that extend along at least a portion of the length of the interior of the handlebar main body. The brake lever has a lever body and a brake cable attachment portion. The lever body is pivotally supported by the support walls proximate the first slit. The lever body includes a brake operating portion that extends away from the handlebar main body and a pivot support portion that is pivotally mounted to the support walls.