Yes, road bikes can go on gravel paths, but they may not perform as well as bikes specifically designed for off-road terrain. Riders should use caution and be prepared for a bumpier ride on gravel surfaces.
Bikes should go with traffic, following the same direction as cars on the road.
When driving on gravel you can lose control of your car because the gravel is so loose. The best way to drive on gravel is to go slow.
I've seen the bikes get over 70 mph on the road.
my 400 ex will go 175km on a gravel road
Cannondale road bikes range in price from $879 to $9,099. The mountain bikes range from $549 all the way up to $9,599. As for the recreations bikes, they roughly go from $499 to $3,549.
About 40kmph depending on road terrain and riders weight
Go down lower gears and press brake gently.
A mountain bike is the bicycle equivalent of a SUV or a Jeep, it's a bicycle made to go off-road.
They are a hobby. They really have no other use for them other than having a lot of fun. If you want a bike you can ride on the road, go for a street bike; dirt bikes are not street-legal.
There are website that go into a lot of detail on this. However I have a 30 inch inseam and I take a 58 cm road bike or an 18 inch mountain bike. Road bikes are measured in cm, moutnain bikes in inches.
Trek road bikes can be purchased from your local cycling shop. Since not every cycling store necessarily carries Trek bike you can go to the Trek website for a list of retailers in your area.
Yes - view your bike like it's a vehicle (a car) and go the same way on the road as if you were a car.