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Pocketbike racing, which can be known in some places as Minimoto or Mini GP racing, is just a racing that is doine with the usage of little racing motorcycles, which are known mostly as pocket bicycles. These bikes are raced around kart paths. It's an incredibly popular activity in Europe and Japan, and is increasing in popularity in other parts of the world, specially in the United States Of America.  [http://www.jmautoracing.com/mitsubishi_ma-accessories.html official website]   [http://www.jmautoracing.com/mercedes_ma-accessories.html mercedes parts]  A typical pocket bicycle is roughly one quarter the size of an ordinary motorcycle, and is run by an interior combustion motor of between 40-50 cubic centimetres producing somewhere between 3 and 15 hp, with respect to the specific model. The models don't have any suspension, relying on the tires to absorb bumps and handle cornering, and many weigh right about 40 pounds. Horsepower is often produced about 3 to 4 by the entry-level models, but the more expensive racing models run with much more power. The best pocket bikes for race are people offering a great power-to-weight ratio. Performance changes are occasionally put into increase speed and acceleration. Despite their tiny size, both adults and children race pocket cycles at rates of up to 60 miles per hour in structured rushing leagues.  [http://www.jmautoracing.com/lexus_ma-accessories.html tour lexus accessories]  The convenience of travel afforded by their size, and the inexpensive of the bicycles (they are valued anywhere from only $200 for the most elementary types integrated China, to anywhere upwards of around $5,000 for a premier notch, greatest of its kind Italian type) make them an inexpensive way for children (some as young as six) to master the basics about motorcycle racing and for people to live out their hunger for the adrenaline rush of cycle racing without the high costs and large risks related to full-sized motorcycle racing. Generally in most countries, a license, licence isn't required to experience miniature bicycles. However, pocket bikes aren't often road legal and must only be ridden on private land, such as auto parks, gardens or on race tracks. Some areas have very specific laws against using pocket bicycles on the street, and because of their small size, people driving trucks and cars might not see them. Because of this they will never be driven on active public roads.