Abstract: An adjustable bicycle parking frame comprises a fastening plate, an inner rod, a support rod and an adjustment rod. The parking frame can be turned and located by a spring, an outer tube and a fitting ring, which are disposed between the fastening plate and the inner rod. Located at the bottom of the inner rod is a receiving space having on the top edge thereof a round hole in which a spring and a retaining block are received. The support rod is provided at the bottom thereof with a support block and at the top thereof with an outer threaded portion. The adjustment rod is provided axially with a fitting hole having therein at the midpoint thereof an inner threaded portion engageable with the outer threaded portion of the support rod. The fitting hole is provided therein at the top end thereof with a retaining groove engageable with the retaining block of the inner rod when the inner rod is fitted into the fitting hole of the adjustment rod.

Abstract: A bicycle handlebar upright tube assembly comprises a head tube, a handlebar upright tube, and an adjusting device. The head tube is fastened at the bottom end thereof with a front fork and at the top end thereof with two lugs. Each of the two lugs is provided with a fitting hole. The handlebar upright tube is provided at one end thereof with a fastening tube for fastening the bicycle handlebar and at another end thereof with a pivoting portion provided with a fitting hole. The adjusting device comprises a braking member and a shaft. The braking member is disposed in the fitting hole of the pivoting portion and is provided with an axial hole dimensioned to receive therein the shaft. The handlebar upright tube and the head tube are joined together adjustably such that the shaft of the adjusting member is received in the fitting holes of the two lugs of the head tube and in the axial hole of the braking member of the adjusting device.