The invention provides a frame and a seat-free type multifunctional body building bicycle. The frame (10) comprises a front extension portion (10A), a middle installation hole (14), a sleeve (15) and a rear extension portion (10B); the front extension portion (10A) is arranged to extend towards the front direction downward; the rear extension portion (10B) is arranged to extend towards the rear direction backward relative to the middle installation hole (14); the sleeve (15) is formed above the middle installation hole (14) and inclines forward; an included angle (a) between the sleeve (15) and the perpendicular direction is from 0 to 45 degrees. According to the frame and the seat-free type multifunctional body building bicycle, the front extension portion, the sleeve and the rear extension portion extend to the external side from the middle installation hole, the size is small, and the center of gravity is low.
Frame and seat-free type multifunctional body building bicycle
2015-04-22
Patent
Electronic Resource
English
IPC: | B62K Fahrräder , CYCLES |
Bicycle frame with front infant seat and electric bicycle with bicycle frame
European Patent Office | 2022
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