Sometime in the 70s, a few hills in the North San Francisco, United States, always enlivened by the roar of motorcycles. A number of teens chose the mountainside as racing arena. One of their favorite places is Mount Tamalpais.Bagi the racer, the pleasure obtained while speeding down the slope different from the time the motor racing circuit. More and more racing fans are getting a lot of slopes. The local government began to worry, because in addition to causing noise, this activity also cause erosion and damage to ground water supplies in the hills. With these considerations, the government of San Francisco banned the activities of this slope racing. Prohibition was later became the forerunner of the sport of mountain bike or mountain bike.
Because it was already addicted, the racer is looking for an alternative that can still slide down the hill, without having to violate the ban on local government. Finally they chose a bicycle. To save time and so not too exhausting, uphill bike when transported by car or pick-up truck. From the top of the hill, the bike and then ride down the hill through a unique and exciting field. This kind of activity they named downhill (down hill). Initially included a wide range of bikes, but because the terrain is quite heavy, a lot of bikes that are victims and destroyed, so it can not be used anymore. Bikes are suitable for this kind of activity is a strong bike and have a tire tread that is wider than ordinary bicycle tire. The only bike that meets the requirements of the Schwinn Excelsior. The bike has actually been produced since 1933, uses a simple but sturdy construction appearance. Ignaz Schwinn was the designer, an immigrant from Germany. Simple design is preferred by delivering newspapers. At that time, nearly all U.S. newspaper deliveryman using a Schwinn bicycle.
Then pop the bikes are more sophisticated, offering gear acceleration and lighter body. Excelsior began shifting. Young people prefer BMX bikes and such. In 1941, production was stopped Excelsior. Half a century later, Excelsior bike began to glance back. But the problem arises, when down the hill, the brakes Excelsior often experience over-heating. Bike owners should open up the house and replace brake grease / stempet which is melted with a new one. Another problem, many cyclists do not feel real cyclists and less comfortable with the transport of bicycles to use another vehicle to the top of the hill. Gary Fischer, a downhill cyclists mania, then install gear acceleration, so the bike can go up into the hills without having to use another vehicle. Downhill other mania, Joe Breeze of California, designed a special bike to body up and down the mountain. Two cyclists is what gave birth to the first generation mountain bikes.
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