A folding bicycle and method for folding the folding bicycle is provided. The folding bicycle comprises a frame having a first end and a second end; a first wheel connected to the second end of the frame, the first wheel and the frame being located in a first plane; a fork having a first end and a second end, the second end of the fork pivotally connected to the first end of the frame thereby allowing the fork to pivot about the first plane; a second wheel connected to the first end of the fork, the second wheel and the fork being located in a second plane; a first pivot member having a first pivot axis to allow the first end of the fork to pivot towards the second end of the fork about the first pivot axis; a second pivot member having a second pivot axis to allow the first end of the frame to pivot towards the second end of the frame about the second pivot axis; and a third pivot member having a third pivot axis to allow the second end of the frame to pivot towards the first end of the frame about the third pivot axis.

A folding bicycle and method for folding the folding bicycle is provided. The folding bicycle comprises a frame having a first end and a second end; a first wheel connected to the second end of the frame, the first wheel and the frame being located in a first plane; a fork having a first end and a second end, the second end of the fork pivotally connected to the first end of the frame thereby allowing the fork to pivot about the first plane; a second wheel connected to the first end of the fork, the second wheel and the fork being located in a second plane; a first pivot member having a first pivot axis to allow the first end of the fork to pivot towards the second end of the fork about the first pivot axis; a second pivot member having a second pivot axis to allow the first end of the frame to pivot towards the second end of the frame about the second pivot axis; and a third pivot member having a third pivot axis to allow the second end of the frame to pivot towards the first end of the frame about the third pivot axis.

The damping device according to the invention includes a pressing member, a shock absorption member and an adjustment member. The shock absorption member is disposed in an accommodation room defined between the pressing member and the handlebar seat. The shock absorption member are arranged in contact with the pressing member and the handlebar seat, so that when a rider is riding a bicycle on an uneven road causing the front fork tube to shake up and down, the invention disclosed herein would absorb the shock force as the pressing member presses against the shock absorbing member. The adjustment member is arranged to extend through the handlebar seat into the pressing member and contact the shock absorption member, so that the strain rate of the damping device can be adjusted by the adjustment member, thereby performing various degrees of shock absorption effects.

The damping device according to the invention includes a pressing member, a shock absorption member and an adjustment member. The shock absorption member is disposed in an accommodation room defined between the pressing member and the handlebar seat. The shock absorption member are arranged in contact with the pressing member and the handlebar seat, so that when a rider is riding a bicycle on an uneven road causing the front fork tube to shake up and down, the invention disclosed herein would absorb the shock force as the pressing member presses against the shock absorbing member. The adjustment member is arranged to extend through the handlebar seat into the pressing member and contact the shock absorption member, so that the strain rate of the damping device can be adjusted by the adjustment member, thereby performing various degrees of shock absorption effects.

A rotatable folding bicycle stem includes a stem rotatably mounted on the standpipe with defining a stem rotating axis. An upper end of the stem terminates in a forwardly projecting O-shaped loop. A distance between the stem rotating axis to a center of the O-shaped loop is smaller than a distance between the standpipe rotating axis to the center of the O-shaped loop. A space between the handlebar and the frame could be reduced or became smaller by utilizing the present invention. The smaller folded size of the folding bicycle facilitates storage by users and is beneficial in that the bicycle may be stacked or compacted more tightly when loading in a cargo car of a container for delivery, thereby reducing a shipping cost for a single bike and increasing a loading quantity in single container.

A rotatable folding bicycle stem includes a stem rotatably mounted on the standpipe with defining a stem rotating axis. An upper end of the stem terminates in a forwardly projecting O-shaped loop. A distance between the stem rotating axis to a center of the O-shaped loop is smaller than a distance between the standpipe rotating axis to the center of the O-shaped loop. A space between the handlebar and the frame could be reduced or became smaller by utilizing the present invention. The smaller folded size of the folding bicycle facilitates storage by users and is beneficial in that the bicycle may be stacked or compacted more tightly when loading in a cargo car of a container for delivery, thereby reducing a shipping cost for a single bike and increasing a loading quantity in single container.

A variable stem for a human-powered vehicle basically includes a head tube mount, a handlebar mount, a stem body, a positioning structure and a controller. The stem body couples the handlebar mount to the head tube mount. The stem body is configured to be moved between a first position and a second position. The handlebar mount is disposed at a different location with respect to the head tube mount with the stem body in the first position as compared to the stem body being in the second position. The positioning structure is configured to selectively position the stem body between a first position and a second position. The controller is configured to control the positioning structure while the human-powered vehicle is in a driving state.

A variable stem for a human-powered vehicle basically includes a head tube mount, a handlebar mount, a stem body, a positioning structure and a controller. The stem body couples the handlebar mount to the head tube mount. The stem body is configured to be moved between a first position and a second position. The handlebar mount is disposed at a different location with respect to the head tube mount with the stem body in the first position as compared to the stem body being in the second position. The positioning structure is configured to selectively position the stem body between a first position and a second position. The controller is configured to control the positioning structure while the human-powered vehicle is in a driving state.

A bicycle has a bicycle frame, two handle bars, and a clamping assembly. The bicycle frame has a front fork having a steerer tube mounted within a head tube of the bicycle frame and a handle mount fastened to the steerer tube and having two receiving tubes longitudinally disposed at two sides of the head tube, respectively. The two handle bars are rotatably mounted to the two receiving tubes, respectively, and each handle bar has a first section inserted inside a corresponding one of the two receiving tubes and a second section integrally fixed to the first section. The clamping assembly has two clamping units respectively mounted around the two receiving tubes and an operating unit connected to the two clamping units and being configured to abut the two clamping units for respectively clamping the two receiving tubes.

A bicycle has a bicycle frame, two handle bars, and a clamping assembly. The bicycle frame has a front fork having a steerer tube mounted within a head tube of the bicycle frame and a handle mount fastened to the steerer tube and having two receiving tubes longitudinally disposed at two sides of the head tube, respectively. The two handle bars are rotatably mounted to the two receiving tubes, respectively, and each handle bar has a first section inserted inside a corresponding one of the two receiving tubes and a second section integrally fixed to the first section. The clamping assembly has two clamping units respectively mounted around the two receiving tubes and an operating unit connected to the two clamping units and being configured to abut the two clamping units for respectively clamping the two receiving tubes.