Caster: theory, practice and quick tips

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Since karts don’t have a rear differential, the caster angle becomes the key performance factor when tackling bends.

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[dropcap]T[/dropcap]he angle that determines how inclined and how high front tires are when going through bends: this is a good working definition of “caster”. Technically, it is the angle that forms between the axis vertical to the ground and the axis parallel to the imaginary line that connects tires and chassis.

As we said when discussing the camber, the C bends of kart chassis are manufactured so that camber and caster are optimal for standard driving.

However, if you race competitively, adjusting the caster allows to optimize the kart’s performance for specific pavement conditions, track layout, and engine type (like KF or KZ). This is why manufacturers equip their products with caster management systems.

Quick tips: on low grip and wet tracks, set the caster to the max.

In theory, what holds for the camber also holds for the caster.
You can adjust either angle by…
(keep reading on the “TECH TALK” TKART Magazine channel)


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