AKA33101W AKA HEXlite 1/10 Buggy Rear Wheel Stiffener, White. Revolutionary to the 1/10 market optional wheel stiffener insert. It has been designed to help keep dirt from building up inside the wheel, making it go out of balance, and stiffens the already stiff wheel.

 - Optional wheel stiffener for HEXlite rear buggy wheels AKA23101W