Here is a comparison of lengths between the X 1/9 shaft, Corsa B and Corsa C EPS shafts.

Approximate lengths:
X 1/9 - 405mm
Corsa B - 420mm
Corsa C - 580mm

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Both the Corsa B & C shafts are collapsible and you can also see that the front mounting of each shaft has special inserts that will break and allow the shaft to shorten if required in an accident.

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