The Wild Willy is a necessary tool for working with the wheel wide.
1/10 R/C Car Baja Champ ITEM58221 C-Parts (2EA)
1/10 R/C Car Wild Dagger ITEM58231 Drive Shafts(1EA)
Educational Construction Series-3mm shaft set
ITEM70105(1EA)
This is a picture where the suspension arm is wider