In recent years, bicycles with wide pneumatic tires have become very popular. Because the tires are wide and the contact surface with the ground is large, the friction is also large, and tire slipping is not easy to occur. Therefore, it is very suitable for riding in the sand. Or ridden off-road, commonly known as a "fat tire" bike. But it is also more difficult to ride than ordinary narrow-tire bicycles. A bicycle factory in California has launched a lithium battery "fat tire" electric bicycle. The lithium battery loaded on the back of the tail rack can make this 28-kilogram bicycle fly briskly, with a top speed of 32 kilometers per hour. The structure is also much simpler than ordinary electric vehicles. It is expected to be released in the United States this month, priced at a whopping $2,975.
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