Abstract: A carriage includes a carriage frame having a wheeled rear frame portion and a front wheel-carrying frame portion. The front wheel-carrying frame portion has a lowermost section that defines a vertical accommodating hole which extends in an axial direction. A front wheel unit includes a fork mounting member disposed rotatably in the accommodating hole and having a fork connecting portion that extends downwardly and outwardly of the accommodating hole, and a retaining portion opposite to the fork connecting portion in the axial direction. A fork unit has an upper end fixed to the fork connecting portion of the fork mounting member and co-rotatable therewith, and a lower end with a wheel mounted rotatably thereon about a horizontal axis. A locking member is provided on the lowermost section of the front wheel-carrying frame portion for retaining rotatably the retaining portion of the fork mounting member in the accommodating hole.

Abstract: A brake arm for a brake device of a bicycle includes first and second arm members and a locking unit. The first arm member has an elongated arm body with an upper end portion, a lower end portion and a shoe mounting portion between the upper and lower end portions. The upper end portion is formed with a threaded hole. The lower end portion is adapted to be secured pivotally on the bicycle. The mounting portion has a brake shoe attached thereto. The second arm member is formed as an elongated member with first and second end portions and an intermediate portion between the first and second end portions. The second arm member is provided with a mounting hole unit which extends from the first end portion toward the second end portion. The second end portion of the second arm member is provided with a wire attaching unit that is adapted to be connected operably to the brake device.