Yes of course they have clutch because this very necessary part of bike.
Everybody that races dirt bikes "started" racing dirt bikes at some point.
yes haro makes a big range of racing bikes
Google can't find an eon bike.
no
Yes
Depends on what kind of racing you're talking about. Road bikes are usually made from carbon fiber. MTB race bikes can be either aluminium or carbon fiber depending on discipline.
There are several sites that offer good information on racing bikes. These sites include Performance Bike, Wikipedia, Trek Bikes, Bike Radar, and R&A Cycles.
bad clutch cable, or not enough oil on the clutch plates.
He started racing when he was relly young and then he went in to racing
anything fox racing
Felt Bicycles produces most types of bicycles. They are an American company and advertise that they manufacture mountain bikes, street bikes, racing bikes, and cyclocross bikes.
generally a racing BMX is built for speed, hence they are made lighter than normal bikes and also have a bigger sprocket witch enables the driver( back sprocket) to go faster.