The stress across a surface element (yellow disk) is the force that the material on one side (top ball) exerts on the material on the other side (bottom ball), divided by the area of the surface.
Overview. The WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013. It comes equipped with a 449cc engine, which is slightly larger than average for a 4-stroke motor.he WR450F retails for $8,290, making it the sixth-most expensive 450cc 4-stroke enduro bike of 2013.
Before we get started. All DCT Automatic Motorcycles from Honda for 2015 also have an added safety feature of ABS (Anti-Lock Brakes). Typically ABS alone adds anywhere from $500-$1000 to a motorcycle in Hondaâs model lineup.