Lesson 1/Learning Event 2
FIGURE 9. CASTER ANGLE.
On a bicycle, the fork is tilted backward at the top. A straight line drawn
down through the frontwheel pivot or kingpin would strike the ground ahead
of the point where the tire contacts the road. A wheel mounted in this
fashion is said to have positive (+) caster or "just" caster. (If the top
of the kingpin is