Multifunctional variable-speed racing bicycle for travelling
A multi-functional, variable-speed gear technology, applied in vehicle gearboxes, vehicle components, wheeled transmissions, etc., can solve problems such as labor, off-chain, broken chain, increase speed, etc., to solve frequent off-chain and broken chain, Reduce the effect of gravity arm and avoid friction
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments:
[0016] like Figure 1 to Figure 4 As shown in the figure, the multifunctional touring speed change racing car of the present invention includes a bicycle frame 1, a front fork 2, a handlebar 3, a front wheel 4, a rear wheel 5 and a saddle 6. An active transmission gear 12 connected to the crank is provided, the pedal on the crank is stepped on to drive the active transmission gear 12 to rotate, the rear axle 13 is provided with a fly gear 14 linked with the rear wheel 5, and the active transmission gear 12 and the fly gear 14 are arranged between There is a transmission shaft 15 , the transmission shaft 15 is fixed on the bicycle frame 1 through the casing, and the two ends of the transmission shaft 15 are respectively provided with transmission gears meshing with the driving gear 12 and the fly gear 13 . Since the active transmission gear 12 ...
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