Yes, they are professional bmx for street/park.
the ramp is 4meters long
I believe the bike you are looking for is a Shogun 21 Speed 26" Maelstrom MTB. These bikes I believe are no longer made, but the smaller, bmx style is. Toy's R Us are the store to look for these in the 19" and 21" flavor. But as far as your agivo, you may be out of luck, eBay may prove fruitful but I don't believe very.
Leisure Lakes Bikes sell a huge range of bikes. They sell mountain bikes, road bikes, folding bikes, BMX bikes, Hybrid bikes, electric bikes and kids bikes.
Claud Butler make a number of bikes for both men and women. They make mountain bikes, hybrid bikes, city bikes, road and touring bikes, electric bikes and bikes for juniors.
Track bikes from the dealer "Velodrome Shop" seem to cost about 800 English pounds on average. If one wished to have a professional or Olympic-style track bike it would likely cost in the thousands or tens of thousands of dollars.
yes, dirt bikes are motorized
There are many different bikes that the store Charge sells. Some of the bikes are brand new bikes. Some of the bike are used bikes, and some of them are even refurbished bikes.
Researching Korean bicycle manufacturers has found that one company called Samchuly is the largest manufacturer of bikes in Korea. The company makes a large variety of bikes such as folding bikes, racing bikes, children's bikes, women's bikes and mountain bikes.
Oh, plenty. You have the basic categories of road bikes, MTBs, and city bikes. But then there are all the sub-categories. Road bikes sorts into TT/triathlon bikes, cyclocross bikes and touring bikes. MTBs sort into cross-country, all mountain and Downhill bikes. Then there are the stunts and jumps bikes the BMXes, dirt and trial bikes. Then there are trikes, recumbent bikes and tandems. You have internal, or external gear, single-speeds and fixies....
Dirt bikes
BMC bikes are manufactured by a company in Grenchen, Switzerland. BMC products include road bikes, mountain bikes, and commuter bikes. These bikes are sold to North America, Europe, and South Africa, etc.