Bicycle frame

• Main Author: ALESSANDRO PALLI
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2014
• Subjects: CYCLE AXLE SUSPENSIONS; CYCLE FRAMES; CYCLE SIDE-CARS, FORECARS, OR THE LIKE; CYCLE STEERING DEVICES; CYCLES; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; PERFORMING OPERATIONS; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES; TRANSPORTING

The utility model discloses a bicycle frame. The bicycle frame comprises a frame body, wherein a head pipe and a lower pipe are arranged at the front part of the frame body, an upper pipe is arranged at the upper part of the frame body, a middle pipe and a five-way are arranged in the middle of the frame body, and a rear fork is arranged at the rear part of the frame body. The bicycle frame is characterized in that the five-way is arranged at the lower part of the middle pipe, an alloy axle core is movably arranged in the five-way, and the alloy axle core is movably connected with the rear fork; a connecting base A is arranged on either the upper pipe or the middle pipe, a connecting base B is arranged on the rear fork, and the connecting base A and the connecting base B are connected through a connecting rod. According to the bicycle frame provided by the utility model, the driving system of the bicycle frame is more flexible, and the integral shape is simpler; and in addition, the stress on the single point