a bicycle

Abstract

The invention belongs to the technical field of bicycles, and particularly relates to a bicycle which comprises a handlebar, a U-shaped supporting plate, a rear supporting rod, a vehicle head rod, a vehicle head pipe sleeve, a third shaft sleeve, a second belt pulley, a second belt, a fifth supporting rod, a fourth shaft sleeve, a first belt pulley, a first belt, a second pedal, a first crank plate and a second crank plate and the like. Two wide front wheels and two wide rear wheels can be in better friction braking with the ground, so that a braking distance is shortened; the two wide front wheels and the two wide rear wheels can also protect the bicycle from large swaying during high-speed braking, the bicycle is prevented from falling over, and riders are protected. In addition, the shortcomings in use of the wide wheels can be overcome through the design that a vehicle frame tilts while the wide wheels do not tilt. The bicycle is simple in structure and has good practical effects.

Description

technical field [0001] The invention belongs to the technical field of bicycles, in particular to a bicycle. Background technique [0002] Present traditional bicycle makes the rotation speed of bicycle wheel come down fast by braking mechanism in braking process, and then makes bicycle stop by the friction of bicycle tire and ground. During normal braking, the bicycle can stop smoothly, but when the cyclist is riding fast, the rotation speed of the bicycle wheel is very fast; Go from fast spinning to slow spinning, or even stop spinning. Due to the narrow tire width of ordinary bicycles, when the bicycle is braked for a very short time, the bicycle wheels are likely to produce a very large yaw, which is likely to cause the rider to lose control and fall. In addition, also because the width of the bicycle tire is very narrow, the braking distance of the bicycle will become longer during the braking process in a very short time, which will also cause certain hidden dangers ...

AI Technical Summary

Problems solved by technology

Due to the narrow tire width of ordinary bicycles, when the bicycle is braked for a very short period of time, the bicycle wheels are likely to produce a very large yaw, which is likely to cause the rider to lose control and fall

In addition, because the width of the bicycle tire is very narrow, the braking distance of the bicycle will become longer during the braking process in a very short time, which will also cause certain hidden dangers for the cyclist to avoid unexpected situations.

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