In a revised edition 1-20 CRB, there are some inaccuracies, among others.
The use of strength as a modifier for AR is solved in another thread. But in the example, a bike chain that has an AR 5 of CRB is used(p.250).
In Rigger section the calculation of Ford America speed in the example is either 34 or 43 (25+9 or 25+9+9), depending on how many rounds the acceleration is calculated. Not 44.